go.mod declares "go 1.26.0" but both workflows' setup-go pinned 1.25,
causing "compile: version go1.26.0 does not match go tool version
go1.25.13" once the service-network-alias fix let tests actually run.
Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
- Update integration workflow actions to latest versions (v3->v4, v4->v5)
- Fix Python version from '3.x' to '3.12' to resolve permission errors
- Update Go version from 1.21 to 1.25 to match go.mod
- Add Go module caching for faster builds
- Add release workflow for multi-platform binary builds
- Add Makefile release target for automated tag creation