build(deps): bump tree-sitter from 0.20.1 to 0.20.2 (helix-editor#1429)

Bumps [tree-sitter](https://github.com/tree-sitter/tree-sitter) from 0.20.1 to 0.20.2.
- [Release notes](https://github.com/tree-sitter/tree-sitter/releases)
- [Commits](tree-sitter/tree-sitter@v0.20.1...v0.20.2)

---
updated-dependencies:
- dependency-name: tree-sitter
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>