Fixed syntax error

.github/workflows/luacheck.yml

@@ -23,9 +23,9 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout repo
-          uses: actions/checkout@v2
-          with:
-            fetch-depth: 0
+        uses: actions/checkout@v2
+        with:
+          fetch-depth: 0
 
       - name: Install Lua
         uses: leafo/gh-actions-lua@v5