chore(deps): bump actions/setup-go in /.github/workflows/setup-testing

Bumps [actions/setup-go](https://github.com/actions/setup-go) from 6.5.0 to 7.0.0.
- [Release notes](https://github.com/actions/setup-go/releases)
- [Commits](actions/setup-go@924ae3a...b7ad1da)

---
updated-dependencies:
- dependency-name: actions/setup-go
  dependency-version: 7.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

.github/workflows/setup-testing/action.yml

@@ -72,7 +72,7 @@ runs:
         accounts_incorrect_submissions_per_minute: 9999
 
     - name: Setup Go
-      uses: actions/setup-go@924ae3a1cded613372ab5595356fb5720e22ba16 # v6.5.0
+      uses: actions/setup-go@b7ad1dad31e06c5925ef5d2fc7ad053ef454303e # v7.0.0
       with:
         go-version-file: hack/deploy/go.mod