build: update actions/checkout action to v6

[angular-robot]

This PR contains the following updates:

Package	Type	Update	Change
actions/checkout	action	major	v5.0.0 → v6.0.2

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Release Notes

actions/checkout (actions/checkout)

v6.0.2

Compare Source

• Fix tag handling: preserve annotations and explicit fetch-tags by @​ericsciple in #​2356

v6.0.1

Compare Source

• Add worktree support for persist-credentials includeIf by @​ericsciple in #​2327

v6.0.0

Compare Source

• Persist creds to a separate file by @​ericsciple in #​2286
• Update README to include Node.js 24 support details and requirements by @​salmanmkc in #​2248

v5.0.1

Compare Source

• Port v6 cleanup to v5 by @​ericsciple in #​2301

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• If you want to rebase/retry this PR, check this box

[angular-robot]

⚠️ Artifact update problem

Renovate failed to update artifacts related to this branch. You probably do not want to merge this PR as-is.

♻ Renovate will retry this branch, including artifacts, only when one of the following happens:

• any of the package files in this branch needs updating, or
• the branch becomes conflicted, or
• you click the rebase/retry checkbox if found above, or
• you rename this PR's title to start with "rebase!" to trigger it manually

The artifact failure details are included below:

File name: .github/workflows/pr.yml

Command failed: /bin/sh -c bazel mod deps --lockfile_mode=update
2026/01/22 16:45:13 Downloading https://releases.bazel.build/9.0.0/release/bazel-9.0.0-linux-x86_64...
WARNING: Invoking Bazel in batch mode since it is not invoked from within a workspace (below a directory having a MODULE.bazel file).
Extracting Bazel installation...
OpenJDK 64-Bit Server VM warning: Options -Xverify:none and -noverify were deprecated in JDK 13 and will likely be removed in a future release.
ERROR: The 'mod' command is only supported from within a workspace (below a directory having a MODULE.bazel file).
See documentation at https://bazel.build/concepts/build-ref#workspace

File name: .github/workflows/pr.yml

Command failed: /bin/sh -c bazel mod deps --lockfile_mode=update
WARNING: Invoking Bazel in batch mode since it is not invoked from within a workspace (below a directory having a MODULE.bazel file).
OpenJDK 64-Bit Server VM warning: Options -Xverify:none and -noverify were deprecated in JDK 13 and will likely be removed in a future release.
ERROR: The 'mod' command is only supported from within a workspace (below a directory having a MODULE.bazel file).
See documentation at https://bazel.build/concepts/build-ref#workspace

File name: .github/workflows/ci.yml

Command failed: /bin/sh -c bazel mod deps --lockfile_mode=update
WARNING: Invoking Bazel in batch mode since it is not invoked from within a workspace (below a directory having a MODULE.bazel file).
OpenJDK 64-Bit Server VM warning: Options -Xverify:none and -noverify were deprecated in JDK 13 and will likely be removed in a future release.
ERROR: The 'mod' command is only supported from within a workspace (below a directory having a MODULE.bazel file).
See documentation at https://bazel.build/concepts/build-ref#workspace

File name: .github/workflows/ci.yml

Command failed: /bin/sh -c bazel mod deps --lockfile_mode=update
WARNING: Invoking Bazel in batch mode since it is not invoked from within a workspace (below a directory having a MODULE.bazel file).
OpenJDK 64-Bit Server VM warning: Options -Xverify:none and -noverify were deprecated in JDK 13 and will likely be removed in a future release.
ERROR: The 'mod' command is only supported from within a workspace (below a directory having a MODULE.bazel file).
See documentation at https://bazel.build/concepts/build-ref#workspace