build(deps): bump actions/github-script from 5 to 6 (#553)

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

Author: dependabot[bot]

.github/workflows/auto-merge.yml

@@ -14,7 +14,7 @@ jobs:
     steps:
       - uses: actions/checkout@v2
       - name: Download PR artifact
-        uses: actions/github-script@v5
+        uses: actions/github-script@v6
         with:
           script: |
             const fs = require('fs');
@@ -44,7 +44,7 @@ jobs:
       - name: Unzip artifact
         run: unzip pr.zip
       - name: Merge PR
-        uses: actions/github-script@v5
+        uses: actions/github-script@v6
         with:
           script: |
             const fs = require('fs');

.github/workflows/label_pr_on_title.yml

@@ -20,7 +20,7 @@ jobs:
       github.event.workflow_run.conclusion == 'success' }}
     steps:
       - name: 'Download artifact'
-        uses: actions/github-script@v5
+        uses: actions/github-script@v6
         # For security, we only download artifacts tied to the successful PR recording workflow
         with:
           script: |
@@ -46,7 +46,7 @@ jobs:
       - run: unzip pr.zip
 
       - name: 'Label PR based on title'
-        uses: actions/github-script@v5
+        uses: actions/github-script@v6
         with:
           github-token: ${{ secrets.GITHUB_TOKEN }}
           # This safely runs in our base repo, not on fork