ci(test): added golang setup to test go install command

.github/workflows/test.yml

@@ -17,7 +17,12 @@ jobs:
 
     steps:
       - uses: actions/checkout@v4
+      - uses: actions/setup-go@v4
+        name: Set up Go
+        with:
+          go-version: ~1.21
       - uses: rhysd/action-setup-vim@v1
+        name: Set up Neovim
         with:
           neovim: true
           version: ${{ matrix.rev }}