Use towncrier version that replaces pkg_resources

Author: AndrewFerr

.github/workflows/changelog.yml

@@ -13,7 +13,7 @@ jobs:
           ref: ${{ github.event.pull_request.head.sha }}
           fetch-depth: 0
       - uses: actions/setup-python@v2
-      - run: pip install towncrier==22.8.0
+      - run: pip install towncrier>=23.6.0
       - run: scripts/check-newsfragment
         env:
           PULL_REQUEST_NUMBER: ${{ github.event.number }}