Upgrade to go 1.25

[fbac]

Release notes: https://tip.golang.org/doc/go1.25

[graphite-app]

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[macroscopeapp]

Upgrade Go version from 1.24 to 1.25 across build configurations, documentation, and module definitions

This pull request updates the Go version from 1.24 to 1.25 across multiple build configurations and documentation files:

• Updates module go directive in go.mod and tools/go.mod to target Go 1.25
• Modifies Docker build configurations in dev/docker/Dockerfile, dev/docker/cli.Dockerfile, dev/docker/gateway.Dockerfile, and dev/docker/prune.Dockerfile to use Go 1.25
• Updates devcontainer base image in dev/docker/devcontainer.Dockerfile to use Go 1.25
• Modifies CI workflow in .github/workflows/lint-go.yml to use golangci-lint-action@v8 with golangci-lint v2.4.0
• Updates Go version requirement documentation in README.md

📍Where to Start

Start with the module definition changes in go.mod to understand the core Go version requirement update.

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Macroscope summarized 4799e2d.