CI: Update git-restore-mtime-action

Author: nexx

.github/workflows/deploy_printed_parts.yml

@@ -20,7 +20,7 @@ jobs:
           fetch-depth: 0
 
       - name: Restore Timestamps
-        uses: chetan/git-restore-mtime-action@v1
+        uses: chetan/git-restore-mtime-action@v2
 
       - name: Build
         env: