chore(deps): bump actions/github-script from 5 to 6 (#6085)

Bumps [actions/github-script](https://github.com/actions/github-script) from 5 to 6.
- [Release notes](https://github.com/actions/github-script/releases)
- [Commits](https://github.com/actions/github-script/compare/v5...v6)

---
updated-dependencies:
- dependency-name: actions/github-script
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

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

.github/workflows/assign_reviewers.yml

@@ -17,7 +17,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: Assign requested reviewer
-      uses: actions/github-script@v5
+      uses: actions/github-script@v6
       with:
         script: |
           try {

.github/workflows/tag_module_cleanup.yml

@@ -16,7 +16,7 @@ jobs:
     # Add the type: cleanup label
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/github-script@a3e7071a34d7e1f219a8a4de9a5e0a34d1ee1293
+      - uses: actions/github-script@v6
         with:
           script: |
             // Note that pull requests are considered issues and "shared"