Update dorny/paths-filter action to v4 (#305)

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

Author: renovate[bot]

.github/workflows/pullrequest.yaml

@@ -48,7 +48,7 @@ jobs:
     outputs:
       charts: ${{ steps.filter.outputs.changes }}
     steps:
-    - uses: dorny/paths-filter@v3
+    - uses: dorny/paths-filter@v4
       id: filter
       with:
         filters: |