fix(github-actions): only change temporary directory to ensure write …

…access

Using `644` without the `x` bit for directories means that the directory
cannot be modified. i.e. no files can be created. We should not modify
this bit but rather just ensure the folder is writeable and individual
files have the `w` bit.

github-actions/deploy-previews/pack-and-upload-artifact/action.yml

@@ -42,7 +42,7 @@ runs:
         dir="$RUNNER_TEMP/pack-and-upload-tmp-dir"
         mkdir -p $dir
         cp -R "${{inputs.deploy-directory}}" "$dir"
-        chmod -R 644 "$dir"
+        chmod -R u+w "$dir"
         echo "deploy-dir=$dir" >> $GITHUB_OUTPUT
 
     - name: Injecting artifact metadata