ci: add release workflow for luarocks upload (#4109)

.github/workflows/release.yml

@@ -0,0 +1,18 @@
+name: "release"
+on:
+  push:
+    tags:
+      - '*'
+jobs:
+  luarocks-upload:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+        uses: nvim-neorocks/luarocks-tag-release@v1.0.2
+        env:
+          LUAROCKS_API_KEY: ${{ secrets.LUAROCKS_API_KEY }}
+        with:
+          detailed_description: |
+            The goal of nvim-treesitter is both to provide a simple and easy way to use the interface for tree-sitter in Neovim
+            and to provide some basic functionality such as highlighting based on it.
+          build_type: "make"