build(deps): Bump github.com/bufbuild/buf from 1.66.1 to 1.69.0

[dependabot]

Bumps github.com/bufbuild/buf from 1.66.1 to 1.69.0.

Release notes

Sourced from github.com/bufbuild/buf's releases.

v1.69.0

• Increase check plugin WASM memory limits to 1GiB.
• Fix LSP stale diagnostics persisting after a file is closed or deleted.
• Fix handling of unprefixed newlines in block comments.
• Add LSP code lenses for buf.gen.yaml files: "Run buf generate" and "Check for plugin updates".
• Add LSP warnings for lint.ignore and breaking.ignore paths in buf.yaml that do not match any file in the workspace.

v1.68.4

• Fix duplicated extension tags across imports from compiler.

v1.68.3

• Fix buf format error handling for edition 2024.

v1.68.2

• Fix build failures for modules with a vendored descriptor.proto.
• Fix LSP incorrectly reporting "edition '2024' not yet fully supported" errors.
• Fix CEL compilation error messages in buf lint to use the structured error API instead of parsing cel-go's text output.
• Add --debug-address flag to buf lsp serve to provide debug and profile support.

v1.68.1

• Revert the use of the new compiler report format and properly ungate Editions 2024 features.
• Fix absolute imports (leading-dot) marked unused in diagnostics.

v1.68.0

This release ports buf to our new Protobuf compiler, already used to power the Buf LSP. It uses a query-driven frontend and a new AST and intermediate representation, designed from the ground up to bring several improvements:

• Better diagnostics. The new compiler produces rich, structured diagnostic reports with precise source locations. It also catches issues that protoc misses, such as duplicate repeated modifiers.
• Editions 2024 support. Full support for Protobuf Editions 2024.
• Faster and more memory efficient. Designed for large workspaces, the new compiler uses less memory and compiles faster than the previous implementation.

This is a seamless upgrade for buf users: no changes are required, the output has been automatically updated to a new, richer diagnostics report.

---

• Use new compiler for build process and support Editions 2024 features.
• Add LSP document links for buf.yaml deps, buf.gen.yaml remote plugins and input modules, buf.policy.yaml name and BSR plugins, and buf.lock dep names, making each a clickable link to its BSR page.
• Add LSP code lenses for buf.yaml files to update all dependencies (buf.dep.updateAll) or check for available updates (buf.dep.checkUpdates).
• Improve shell completions for buf flags with fixed value sets and file/directory arguments.
• Add buf curl URL path shell completions (service and method names) via server reflection, --schema, or the local buf module.
• Add support for Edition 2024 syntax to buf format.
• Fix buf generate --clean deleting files from nested plugin output directories.

v1.67.0

• Fix LSP not skipping buf.build/docs links for lint rules from check plugins and policies.
• Fix buf dep graph --format json silently dropping dependencies when a dependency was already seen.
• Add support for --rbs_out as a protoc_builtin plugin (requires protoc v34.0+).
• Add relevant links from CEL LSP hover documentation to either <celbyexample.com> or <protovalidate.com>
• Add OpenBSD and FreeBSD release binaries for amd64 and arm64.
• Skip writing unchanged output files in buf generate to preserve modification times

... (truncated)

Changelog

Sourced from github.com/bufbuild/buf's changelog.

[v1.69.0] - 2026-04-29

• Increase check plugin WASM memory limits to 1GiB.
• Fix LSP stale diagnostics persisting after a file is closed or deleted.
• Fix handling of unprefixed newlines in block comments.
• Add LSP code lenses for buf.gen.yaml files: "Run buf generate" and "Check for plugin updates".
• Add LSP warnings for lint.ignore and breaking.ignore paths in buf.yaml that do not match any file in the workspace.

[v1.68.4] - 2026-04-22

• Fix duplicated extension tags across imports from compiler.

[v1.68.3] - 2026-04-20

• Fix buf format error handling for edition 2024.

[v1.68.2] - 2026-04-17

• Fix build failures for modules with a vendored descriptor.proto.
• Fix LSP incorrectly reporting "edition '2024' not yet fully supported" errors.
• Fix CEL compilation error messages in buf lint to use the structured error API instead of parsing cel-go's text output.
• Add --debug-address flag to buf lsp serve to provide debug and profile support.

[v1.68.1] - 2026-04-14

• Revert the use of the new compiler report format and properly ungate Editions 2024 features.
• Fix absolute imports (leading-dot) marked unused in diagnostics.

[v1.68.0] - 2026-04-14

• Use new compiler for build process and support Editions 2024 features.
• Add LSP document links for buf.yaml deps, buf.gen.yaml remote plugins and input modules, buf.policy.yaml name and BSR plugins, and buf.lock dep names, making each a clickable link to its BSR page.
• Add LSP code lenses for buf.yaml files to update all dependencies (buf.dep.updateAll) or check for available updates (buf.dep.checkUpdates).
• Improve shell completions for buf flags with fixed value sets and file/directory arguments.
• Add buf curl URL path shell completions (service and method names) via server reflection, --schema, or the local buf module.
• Add support for Edition 2024 syntax to buf format.
• Fix buf generate --clean deleting files from nested plugin output directories.

[v1.67.0] - 2026-04-01

• Fix LSP not skipping buf.build/docs links for lint rules from check plugins and policies.
• Fix buf dep graph --format json silently dropping dependencies when a dependency was already seen.
• Add support for --rbs_out as a protoc_builtin plugin (requires protoc v34.0+).
• Add relevant links from CEL LSP hover documentation to either <celbyexample.com> or <protovalidate.com>
• Add OpenBSD and FreeBSD release binaries for amd64 and arm64.
• Skip writing unchanged output files in buf generate to preserve modification times
• Update buf beta registry plugin delete to prompt the user for deletion, matching the UX of the other deletion commands. Use --force to restore the old behavior.

Commits

• 88829eb Release v1.69.0 (#4521)
• 4a92ff3 Upgrade protocompile to latest main (#4520)
• 04ed9c9 Add YAML files to license header generation (#4518)
• ddb8521 Upgrade protocompile to latest main (#4519)
• 7e1e277 Propagate DuplicateProtoPathError as typed error from new compiler path (#4517)
• f781a0e Reduce allocations in shake256.NewDigestForContent (#4505)
• 5f4233e Add concurrency checks for CI workflows (#4516)
• b10141d Add LSP code lenses for buf generate and checking for plugin updates (#4480)
• 637ea97 Upgrade protocompile and update changelog (#4515)
• d960fc0 Add LSP warning diagnostics for invalid buf.yaml ignore paths (#4498)
• Additional commits viewable in compare view

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