fix: Pin dorny/paths-filter to exact version v4.0.1

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: mydea

.github/workflows/ci-metadata.yml

@@ -61,7 +61,7 @@ jobs:
 
       # Most changed packages are determined in job_build via Nx
       - name: Determine changed packages
-        uses: dorny/paths-filter@v4
+        uses: dorny/paths-filter@v4.0.1
         id: changed
         with:
           filters: |

.github/workflows/flaky-test-detector.yml

@@ -55,7 +55,7 @@ jobs:
           browsers: 'chromium'
 
       - name: Determine changed tests
-        uses: dorny/paths-filter@v4
+        uses: dorny/paths-filter@v4.0.1
         id: changed
         with:
           list-files: json