fix: keep TypeScript compatible with OpenAPI generator

[albert20260301]

Summary

• keep the Dependabot dependency group on TypeScript 6.0.3 because openapi-typescript@7.13.0 declares a ^5.x TypeScript peer range and crashes under TypeScript 7
• retain the other five dependency updates from chore(deps): bump the cli-dependencies group across 1 directory with 6 updates #99

Impact

This stacked PR restores generated-artifact verification for the parent dependency update without changing the CLI runtime or public API.

Validation

• bunx bun@1.4.0 run generate:check
• bunx bun@1.4.0 run typecheck
• bunx bun@1.4.0 run lint
• bunx bun@1.4.0 run format:check
• bunx bun@1.4.0 test (663 passing)

[albert20260301]

@francoischalifour could you review this stacked fix?

I picked you because this changes the CLI's TypeScript dependency and OpenAPI generation path, matching your TypeScript ownership. CI is pending; local generated-artifact, typecheck, lint, formatting, and 663 tests pass under Bun 1.4.0. The main review focus is whether holding TypeScript at 6.0.3 is the right compatibility boundary for openapi-typescript@7.13.0 while #99 keeps its other dependency updates.

[albert20260301]

@francoischalifour follow-up: this stacked TypeScript compatibility fix remains clean and unreviewed after three days. GitHub has not reported any checks for the PR; local generated-artifact verification, typecheck, lint, formatting, and 663 Bun tests passed. Could you review whether retaining TypeScript 6.0.3 is the correct compatibility boundary for openapi-typescript 7.13.0 while #99 retains its other dependency updates?