chore(deps): bump the github-actions group with 3 updates

Bumps the github-actions group with 3 updates: [actions/checkout](https://github.com/actions/checkout), [actions/setup-go](https://github.com/actions/setup-go) and [actions/cache](https://github.com/actions/cache).


Updates `actions/checkout` from 5.0.0 to 6.0.2
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v5...de0fac2)

Updates `actions/setup-go` from 6.0.0 to 6.4.0
- [Release notes](https://github.com/actions/setup-go/releases)
- [Commits](actions/setup-go@v6...4a36011)

Updates `actions/cache` from 4.2.0 to 5.0.5
- [Release notes](https://github.com/actions/cache/releases)
- [Changelog](https://github.com/actions/cache/blob/main/RELEASES.md)
- [Commits](actions/cache@v4.2.0...27d5ce7)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-version: 6.0.2
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: github-actions
- dependency-name: actions/setup-go
  dependency-version: 6.4.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: github-actions
- dependency-name: actions/cache
  dependency-version: 5.0.5
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: github-actions
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

.github/workflows/gavel.yml

@@ -10,13 +10,13 @@ jobs:
   gavel:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
 
-      - uses: actions/setup-go@44694675825211faa026b3c33043df3e48a5fa00 # v6
+      - uses: actions/setup-go@4a3601121dd01d1626a1e23e37211e3254c1c06c # v6
         with:
           go-version: 1.26.x
 
-      - uses: actions/cache@1bd1e32a3bdc45362d1e726936510720a7c30a57 # v4
+      - uses: actions/cache@27d5ce7f107fe9357f9df03efb73ab90386fccae # v4
         with:
           path: |
             ~/go/pkg/mod