github-actions: update changed-files version

Signed-off-by: Kamil Gierszewski <kamil.gierszewski@huawei.com>

Author: Kamil Gierszewski

.github/workflows/pullrequest.yml

@@ -17,7 +17,7 @@ jobs:
           fetch-depth: 0
       - name: Get changed files
         id: changed-files
-        uses: tj-actions/changed-files@v41
+        uses: tj-actions/changed-files@v47.0.0
         with:
           files_ignore: '.github/**'
       - name: List all changed files