build(deps): update tree-sitter requirement in /build_rust

Updates the requirements on [tree-sitter](https://github.com/tree-sitter/tree-sitter) to permit the latest version.
- [Release notes](https://github.com/tree-sitter/tree-sitter/releases)
- [Commits](tree-sitter/tree-sitter@v0.25.3...v0.26.2)

---
updated-dependencies:
- dependency-name: tree-sitter
  dependency-version: 0.26.2
  dependency-type: direct:production
...

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

Author: dependabot[bot]

build_rust/Cargo.toml

@@ -15,7 +15,7 @@ anyhow = "1.0.97"
 camino = "1.1.9"
 glob = "0.3.2"
 streaming-iterator = "0.1.9"
-tree-sitter = "0.25.3"
+tree-sitter = "0.26.2"
 tree-sitter-svelte-ng = "1.0.2"
 tree-sitter-typescript = "0.23.2"
 which = "7.0.2"