"base" param for dorny/paths-filter is not used for PR

Author: mvorisek

.github/scripts/download-bundled/make-workflow-file.php

@@ -111,7 +111,6 @@ public function makeWorkflowFile(): void
                     uses: dorny/paths-filter@v3
                     id: changes
                     with:
-                      base: master
                       filters: %filters%
 
                   %steps%

.github/workflows/verify-bundled-files.yml

@@ -28,7 +28,6 @@ jobs:
         uses: dorny/paths-filter@v3
         id: changes
         with:
-          base: master
           filters: |
             'boost-context':
               - '.github/scripts/download-bundled/boost-context.*'