chore(ci): bump python-semantic-release/python-semantic-release from 9.17.0 to 9.21.0 in the github-actions group (#207)

Author: dependabot[bot]

.github/workflows/ci.yml

@@ -79,7 +79,7 @@ jobs:
 
       - name: Python Semantic Release
         id: release
-        uses: python-semantic-release/python-semantic-release@v9.17.0
+        uses: python-semantic-release/python-semantic-release@v9.21.0
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}