chore(deps): update dependency tree-sitter-go to v0.21.0

Author: renovate[bot]

package.json

@@ -80,7 +80,7 @@
     "tree-sitter": "0.20.6",
     "tree-sitter-c-sharp": "0.20.0",
     "tree-sitter-cli": "0.20.8",
-    "tree-sitter-go": "0.20.0",
+    "tree-sitter-go": "0.21.0",
     "tree-sitter-java": "0.20.2",
     "tree-sitter-php": "0.20.0",
     "tree-sitter-python": "0.20.4",