workflow updates

Author: ray-x

.github/workflows/ci.yml

@@ -7,7 +7,7 @@ jobs:
     name: unit tests
     runs-on: ${{ matrix.os }}
     env:
-      NVIM_TS_DIR: "${HOME}/.local/share/nvim/site/pack/vendor/start/nvim-treesitter"
+      NVIM_TS_DIR: .test-deps/nvim-treesitter
     strategy:
       fail-fast: false
       matrix:
@@ -52,6 +52,12 @@ jobs:
           git clone --depth 1 -b main https://github.com/nvim-treesitter/nvim-treesitter ~/.local/share/nvim/site/pack/vendor/start/nvim-treesitter
           git clone --depth 1 https://github.com/ray-x/guihua.lua  ~/.local/share/nvim/site/pack/vendor/start/guihua.lua
           ln -s $(pwd) ~/.local/share/nvim/site/pack/vendor/start
+      - name: Install nvim-treesitter
+        uses: actions/checkout@v4
+        with:
+          repository: nvim-treesitter/nvim-treesitter
+          ref: main
+          path: ${{ env.NVIM_TS_DIR }}
       - name: Setup Parsers cache
         id: parsers-cache
         uses: actions/cache@v4