ci: bump actions/setup-go from 6.3.0 to 6.4.0 in /.github/actions/setup (#21248)

Bumps [actions/setup-go](https://github.com/actions/setup-go) from 6.3.0 to 6.4.0.
- [Release notes](https://github.com/actions/setup-go/releases)
- [Commits](4b73464bb3...4a3601121d)

---
updated-dependencies:
- dependency-name: actions/setup-go
  dependency-version: 6.4.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/actions/setup/action.yml

@@ -73,7 +73,7 @@ runs:
       run: npm ci
     - name: Setup go
       if: ${{ contains(inputs.dependencies, 'go') }}
-      uses: actions/setup-go@4b73464bb391d4059bd26b0524d20df3927bd417 # v5
+      uses: actions/setup-go@4a3601121dd01d1626a1e23e37211e3254c1c06c # v5
       with:
         go-version-file: "go.mod"
     - name: Setup docker cache