fix(ci): stylua action version number

Author: kyazdani42

.github/workflows/ci.yml

@@ -28,7 +28,8 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
-      - uses: JohnnyMorganz/stylua-action@1.0.0
+      - uses: JohnnyMorganz/stylua-action@v1
         with:
           token: ${{ secrets.GITHUB_TOKEN }}
+          version: 0.15.1
           args: --color always --check lua/