chore: update amannn/action-semantic-pull-request action to v6

Author: renovate[bot]

.github/workflows/pr_title.yml

@@ -21,7 +21,7 @@ jobs:
       - uses: actions/labeler@v4
         with:
           repo-token: ${{ secrets.GITHUB_TOKEN }}
-      - uses: amannn/action-semantic-pull-request@v5
+      - uses: amannn/action-semantic-pull-request@v6
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
           ignoreLabels: meta