Bump tree-sitter-rust from 0.20.3 to 0.20.4

Bumps [tree-sitter-rust](https://github.com/tree-sitter/tree-sitter-rust) from 0.20.3 to 0.20.4.
- [Commits](tree-sitter/tree-sitter-rust@v0.20.3...v0.20.4)

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

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