chore(deps): update docker/setup-buildx-action action to v4

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
docker/setup-buildx-action	action	major	v3.12.0 → v4.0.0

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Release Notes

docker/setup-buildx-action (docker/setup-buildx-action)

v4.0.0

Compare Source

• Node 24 as default runtime (requires Actions Runner v2.327.1 or later) by @​crazy-max in #​483
• Remove deprecated inputs/outputs by @​crazy-max in #​464
• Switch to ESM and update config/test wiring by @​crazy-max in #​481
• Bump @​actions/core from 1.11.1 to 3.0.0 in #​475
• Bump @​docker/actions-toolkit from 0.63.0 to 0.79.0 in #​482 #​485
• Bump js-yaml from 4.1.0 to 4.1.1 in #​452
• Bump lodash from 4.17.21 to 4.17.23 in #​472
• Bump minimatch from 3.1.2 to 3.1.5 in #​480

Full Changelog: docker/setup-buildx-action@v3.12.0...v4.0.0

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Configuration

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[github-actions]

Renovate PR Review Results

⚖️ Safety Assessment: ✅ Safe

🔍 Release Content Analysis

Major Changes in v4.0.0:

• Node 24 Runtime: Upgraded to Node 24 as default runtime (requires Actions Runner v2.327.1+, released July 2024)
• Deprecated Input/Output Removal: Removed deprecated inputs (config, config-inline, install) and outputs (endpoint, status, flags)
• Module System Migration: Switched from CommonJS to ESM (ECMAScript Modules)

Dependency Updates:

• @actions/core: 1.11.1 → 3.0.0
• @docker/actions-toolkit: 0.63.0 → 0.79.0
• Security patches: js-yaml (4.1.0 → 4.1.1), lodash (4.17.21 → 4.17.23), minimatch (3.1.2 → 3.1.5)

Breaking Changes:

• Removed deprecated inputs: config, config-inline, install
• Removed deprecated outputs: endpoint, status, flags
• Requires GitHub Actions Runner v2.327.1 or later for Node 24 support

Security Fixes:

• Multiple dependency security patches applied to js-yaml, lodash, and minimatch

🎯 Impact Scope Investigation

Usage Locations:

• .github/workflows/ci.yml:82 - E2E test job
• .github/workflows/release-please.yml:56 - Publish job

Current Usage Analysis:
Both workflow files use docker/setup-buildx-action without any input parameters:

- uses: docker/setup-buildx-action@<hash> # v3.12.0

No Deprecated Inputs Detected:

• Neither workflow uses the removed deprecated inputs (config, config-inline, install)
• Neither workflow consumes the removed deprecated outputs (endpoint, status, flags)
• Both usages rely on default behavior only

GitHub Actions Runner Compatibility:

• GitHub-hosted runners (ubuntu-latest, ubuntu-24.04-arm) already support Node 24
• Runner v2.327.1 was released July 2024, well before the current date
• Standard GitHub-hosted runners are automatically updated and compatible

Dependency Impact:

• No conflicts identified with other GitHub Actions in the workflows
• docker/build-push-action@v7.1.0 and docker/setup-qemu-action@v3.7.0 are compatible with v4.0.0

💡 Recommended Actions

Immediate Actions:

• ✅ Safe to merge - No code changes required
• The workflows use the action with default settings only, avoiding all deprecated parameters

Post-Merge Verification:

1. Monitor the next CI run on the E2E test job (.github/workflows/ci.yml)
2. Monitor the next release publish workflow (.github/workflows/release-please.yml)
3. Verify that Docker Buildx setup completes successfully in both workflows

No Migration Required:

• No configuration changes needed
• No workflow modifications necessary
• All default behaviors remain backward compatible

🔗 Reference Links

• v4.0.0 Release Notes
• Removed Deprecated Inputs/Outputs PR #464
• Deprecated Items Issue #462
• Actions Runner v2.327.1 Release
• v4.0.0 Documentation

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