ci: bump dorny/paths-filter v3 -> v4

Author: kasvith

.github/workflows/ci.yml

@@ -26,7 +26,7 @@ jobs:
     steps:
       - uses: actions/checkout@v6
 
-      - uses: dorny/paths-filter@v3
+      - uses: dorny/paths-filter@v4
         id: filter
         with:
           filters: |