testing windows + bazel 8

[rickeylev]

wip

[gemini-code-assist[bot]]

Summary of Changes

Hello @rickeylev, I'm Gemini Code Assist[^1]! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request is a work-in-progress effort to update the project's continuous integration (CI) to support and test with Bazel 8 on Windows. It involves a targeted overhaul of the CI configuration to focus on this specific environment, alongside comprehensive dependency updates across various MODULE.bazel and go.mod files to ensure full compatibility with the new Bazel version and its ecosystem.

Highlights

• CI Configuration Update: The .bazelci/presubmit.yml has been significantly refactored to focus specifically on testing Windows with Bazel 8, utilizing a new matrix configuration for platforms and Bazel versions. This streamlines the CI to target the latest Bazel release on Windows.
• Dependency Version Bumps: Several key dependencies have been updated across MODULE.bazel files, including rules_go (to 0.59.0), gazelle (to 0.47.0), and rules_java (to 8.16.1), ensuring compatibility with newer Bazel versions and related tooling.
• Go Toolchain and Module Updates: The gazelle/go.mod file has been updated to Go 1.22.9 and includes a toolchain go1.23.6, along with updates to bazel-gazelle, buildtools, and doublestar/v4 dependencies and their corresponding checksums in go.sum.
• Bzlmod Flag Stabilization: The .bazelrc file for gazelle/examples/bzlmod_build_file_generation has transitioned from using the experimental experimental_enable_bzlmod flag to the stable enable_bzlmod flag, indicating the maturity of Bazel's module system.

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[aignas]

I think we merged a PR recently to fix the builds for BCR, do we still need this?

[dougthor42]

I think we merged a PR recently to fix the builds for BCR, do we still need this?

#3404 removed Gazelle+Windows BCR testing, so I assume yes we still need it?

[aignas]

Ah, so this is for windows + bazel 8 testing for the gazelle plugin. SGTM then.