fixing package name in ci workflow

.gitea/workflows/ci.yaml

@@ -18,7 +18,7 @@ jobs:
       - name: 1. Install Dependencies (luacheck)
         run: |
           echo "Sanctifying container with luacheck..."
-          apk add --no-cache lua5.1-luacheck
+          apk add --no-cache luacheck
 
       - name: 2. Checkout Repository Code
         # This standard action checks out your repository's code into the container.