deps(ci): update amannn/action-semantic-pull-request action to v6 (#135)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/conventional-commit.yml

@@ -13,7 +13,7 @@ jobs:
       pull-requests: read # for amannn/action-semantic-pull-request to read PR titles
 
     steps:
-      - uses: amannn/action-semantic-pull-request@v5
+      - uses: amannn/action-semantic-pull-request@v6
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         with: