Bump typescript from 5.9.3 to 6.0.3

Bumps [typescript](https://github.com/microsoft/TypeScript) from 5.9.3 to 6.0.3.
- [Release notes](https://github.com/microsoft/TypeScript/releases)
- [Commits](https://github.com/microsoft/TypeScript/compare/v5.9.3...v6.0.3)

---
updated-dependencies:
- dependency-name: typescript
  dependency-version: 6.0.3
  dependency-type: direct:development
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

packages/osc/package.json

@@ -34,7 +34,7 @@
     "@types/node": "24.5.2",
     "rimraf": "6.1.3",
     "tsdown": "0.22.0",
-    "typescript": "5.9.3"
+    "typescript": "6.0.3"
   },
   "main": "./dist/index.cjs",
   "module": "./dist/index.mjs"