Merge remote-tracking branch 'upstream/master' into test-builds

.github/workflows/luacheck.yml

@@ -7,13 +7,7 @@ jobs:
   luacheck:
     runs-on: ubuntu-20.04
     steps:
-    - name: Checkout
-      uses: actions/checkout@v3
-    - name: Setup ‘lua’
-      uses: leafo/gh-actions-lua@v9
-    - name: Setup ‘luarocks’
-      uses: leafo/gh-actions-luarocks@v4
-    - name: Setup ‘luacheck’
-      run: luarocks install luacheck
-    - name: Run ‘luacheck’ linter
-      run: luacheck .
+      - name: Checkout
+        uses: actions/checkout@v3
+      - name: Luacheck
+        uses: lunarmodules/luacheck@v0