Fix linter

Author: solmazabbaspour

.github/workflows/restore.yml

@@ -78,9 +78,9 @@ jobs:
           mkdir "$HOME/ghe-backup-data"
           dir_name=$(date +%s)
           mkdir "$HOME/ghe-backup-data/$dir_name"
-          tar -xvf ghes-data/3.8-small-docs.tar.gz -C "$HOME/ghe-backup-data/$dir_name"
+          tar -xvf "ghes-data/3.8-small-docs.tar.gz" -C "$HOME/ghe-backup-data/$dir_name"
 
-          ln -s $dir_name "$HOME/ghe-backup-data/current"
+          ln -s "$dir_name" "$HOME/ghe-backup-data/current"
 
     - name: set up ssh SSH_KEY
       run: echo -e "${SSH_KEY}\n" > "$HOME/backup"