Fix rsync options in workflow

.github/workflows/check_l10n.yml

@@ -50,7 +50,8 @@ jobs:
           # Use temporary folder to store files from the default branch
           cd ..;mkdir temp_files
           # Copy files, excluding scripts and workflows
-          rsync -av --exclude={".git",".gitignore",".github/scripts",".github/templates",".github/workflows",".github/requirements.txt",".vscode","package.json"} clone/ temp_files/
+          # Use --ignore-times (-I) options to ensure all files are copied
+          rsync -aIv --exclude={".git",".gitignore",".github/scripts",".github/templates",".github/workflows",".github/requirements.txt",".vscode","package.json"} clone/ temp_files/
 
           # Use l10n_reference as a base for l10n_updates, to avoid generating
           # a huge diff in the pull request.
@@ -59,7 +60,8 @@ jobs:
           git checkout -B l10n_updates
 
           # Restore files from the default branch
-          rsync -av ../temp_files/ ./
+          # Use --ignore-times (-I) options to ensure all files are copied
+          rsync -aIv ../temp_files/ ./
       - name: Commit changes to l10n_updates branch
         continue-on-error: true
         run: |