Bump tree-sitter from 0.24.4 to 0.25.6 in /ql

Bumps [tree-sitter](https://github.com/tree-sitter/tree-sitter) from 0.24.4 to 0.25.6.
- [Release notes](https://github.com/tree-sitter/tree-sitter/releases)
- [Commits](tree-sitter/tree-sitter@v0.24.4...v0.25.6)

---
updated-dependencies:
- dependency-name: tree-sitter
  dependency-version: 0.25.6
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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Author: dependabot[bot]