chore(deps-npm): bump typescript in /specter/vscode-extension

Bumps [typescript](https://github.com/microsoft/TypeScript) from 5.9.3 to 6.0.3.
- [Release notes](https://github.com/microsoft/TypeScript/releases)
- [Commits](microsoft/TypeScript@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>

Author: dependabot[bot]

specter/vscode-extension/package-lock.json

@@ -206,6 +206,6 @@
     "jest": "^29.5.0",
     "jest-junit": "^17.0.0",
     "ts-jest": "^29.1.0",
-    "typescript": "^5.0.0"
+    "typescript": "^6.0.3"
   }
 }