Bump tree-sitter-cli from 0.20.8 to 0.21.0

Bumps [tree-sitter-cli](https://github.com/tree-sitter/tree-sitter) from 0.20.8 to 0.21.0.
- [Release notes](https://github.com/tree-sitter/tree-sitter/releases)
- [Changelog](https://github.com/tree-sitter/tree-sitter/blob/master/CHANGELOG.md)
- [Commits](tree-sitter/tree-sitter@v0.20.8...v0.21.0)

---
updated-dependencies:
- dependency-name: tree-sitter-cli
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

package.json

@@ -19,7 +19,7 @@
     "nan": "^2.18.0"
   },
   "devDependencies": {
-    "tree-sitter-cli": "^0.20.8"
+    "tree-sitter-cli": "^0.21.0"
   },
   "scripts": {
     "build": "tree-sitter generate",