refactor(ast): add AstKind for TSIndexSignature

[camc314]

part of #11490

[camc314]

• refactor(ast): add AstKind for BindingProperty #11974
• refactor(ast): add AstKind for TSInterfaceBody #11967
• refactor(ast): add AstKind for TSIndexSignature #11966 👈 (View in Graphite)
• refactor(ast): add AstKind for TSConstructorType #11965
• main

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[codspeed-hq]

CodSpeed Instrumentation Performance Report

Merging #11966 will degrade performances by 13.01%

_{Comparing c/06-29-refactor_ast_add_astkind_for_tsindexsignature_ (3f50cef) with main (03bce3f)}

Summary

❌ 1 regressions
✅ 37 untouched benchmarks

⚠️ Please fix the performance issues or acknowledge them on CodSpeed.

Benchmarks breakdown

	Benchmark	BASE	HEAD	Change
❌	mangler[cal.com.tsx]	3.1 ms	3.5 ms	-13.01%

[camc314]

Merge activity

• Jun 29, 4:27 PM UTC: The merge label '0-merge' was detected. This PR will be added to the Graphite merge queue once it meets the requirements.
• Jun 29, 4:27 PM UTC: camc314 added this pull request to the Graphite merge queue.
• Jun 29, 5:07 PM UTC: The Graphite merge queue couldn't merge this PR because it timed out.
• Jun 29, 5:16 PM UTC: The merge label '0-merge' was detected. This PR will be added to the Graphite merge queue once it meets the requirements.
• Jun 29, 5:23 PM UTC: camc314 added this pull request to the Graphite merge queue.
• Jun 29, 5:31 PM UTC: Merged by the Graphite merge queue.