chore: use luals for style check

Author: alex-courtis

.github/workflows/ci.yml

@@ -44,10 +44,16 @@ jobs:
     strategy:
       matrix:
         luals_version: [ 3.13.9 ]
+        nvim_version: [ stable ]
 
     steps:
       - uses: actions/checkout@v4
 
+      - uses: rhysd/action-setup-vim@v1
+        with:
+          neovim: true
+          version: ${{ matrix.nvim_version }}
+
       - name: install luals
         run: |
           mkdir -p luals