Bump softprops/turnstyle from 1 to 2

Bumps [softprops/turnstyle](https://github.com/softprops/turnstyle) from 1 to 2.
- [Release notes](https://github.com/softprops/turnstyle/releases)
- [Changelog](https://github.com/softprops/turnstyle/blob/master/CHANGELOG.md)
- [Commits](softprops/turnstyle@v1...v2)

---
updated-dependencies:
- dependency-name: softprops/turnstyle
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

.github/workflows/update-test.yml

@@ -52,7 +52,7 @@ jobs:
         ssh-keyscan github.com >> ~/.ssh/known_hosts
 
     - name: Wait for previous workflows to finish
-      uses: softprops/turnstyle@v1
+      uses: softprops/turnstyle@v2
       with:
         same-branch-only: false
       env: