Update Rust crate tree-sitter to v0.26.8

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
tree-sitter (source)	dependencies	patch	0.26.7 → 0.26.8

---

Release Notes

tree-sitter/tree-sitter (tree-sitter)

v0.26.8

Compare Source

What's Changed

• fix(generate): allow disabling qjs-rt feature from CLI by @​WillLillis in #​5448
• fix(lib): document invariants that must be upheld for TSInputEdit by @​WillLillis in #​5452
• fix(cli): correct typo in parse command's help text by @​WillLillis in #​5465
• perf(cli): misc. improvements by @​tree-sitter-ci-bot[bot] in #​5476
• Fix wasm loading of languages w/ multiple reserved word sets by @​tree-sitter-ci-bot[bot] in #​5477
• generate: avoid panicking when a supertype only has hidden external token children by @​tree-sitter-ci-bot[bot] in #​5478
• release v0.26.8 by @​clason in #​5479

Full Changelog: tree-sitter/tree-sitter@v0.26.7...v0.26.8

---

Configuration

📅 Schedule: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).

🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

♻ Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.

---

• If you want to rebase/retry this PR, check this box

---

This PR was generated by Mend Renovate. View the repository job log.