Fix file-changes-action error (#5201)

* test

* apparently 1.2.4 is broken

https://github.com/trilom/file-changes-action/issues/102

* remove noop

.github/workflows/main.yml

@@ -5,7 +5,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v1
-      - uses: trilom/file-changes-action@v1.2.4
+      - uses: trilom/file-changes-action@v1.2.3
         id: file_changes
         with:
           output: ''