Go: Update Go version to 1.25.0

[jketema]

The failure of Go Resolve Build Environment Tests looks expected. The test does pass on the internal PR (after workflow updates).

See the internal PR for a DCA experiment.

[Copilot]

Pull Request Overview

This PR updates the Go version from 1.24.0 to 1.25.0 across the codebase to modernize the toolchain and support newer Go features and improvements.

• Updates Go module requirements and toolchain version
• Adjusts build environment compatibility settings
• Updates test action default Go version and Bazel rules

Reviewed Changes

Copilot reviewed 4 out of 4 changed files in this pull request and generated no comments.

File	Description
go/extractor/go.mod	Updates Go version requirement and toolchain from 1.24 to 1.25
go/extractor/autobuilder/build-environment.go	Updates maximum supported Go version to 1.25
go/actions/test/action.yml	Updates default Go test version to 1.25.0
MODULE.bazel	Updates Bazel rules_go version and Go SDK download version

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[mbg]

Looks good! I see that rules_go now works out-of-the-box and the workaround is no longer needed, which is great too.