Update Github actions dependencies

Author: rolandlo

.github/workflows/ci.yml

@@ -13,13 +13,13 @@ jobs:
     runs-on: ${{ matrix.os }}
 
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v6
 
-    - uses: leafo/gh-actions-lua@v10
+    - uses: leafo/gh-actions-lua@v12
       with:
         luaVersion: ${{ matrix.luaVersion }}
 
-    - uses: leafo/gh-actions-luarocks@v4
+    - uses: leafo/gh-actions-luarocks@v6
 
     - name: Install Ubuntu dependencies
       if: runner.os == 'Linux'