highlighter: Update tree-sitter to remove workaround

[zanmato]

Description

Removes a workaround for large nodes introduced in #2128, fixed in upstream tree-sitter/tree-sitter#5801
Backported to 0.26 tree-sitter/tree-sitter#5855

How to Test

Open large broken sql file in the editor example:

$ (echo ""; for i in $(seq 1 9999); do echo "('$i'),"; done; echo "('10000')"; echo ') as x(ix);') > test_broken.sql
$ cargo run --release -p example-editor

Checklist

• I have read the CONTRIBUTING document and followed the guidelines.
• Reviewed the changes in this PR and confirmed AI generated code (If any) is accurate.
• Passed cargo run for story tests related to the changes.
• Tested macOS, Windows and Linux platforms performance (if the change is platform-specific)