Bump typescript from 3.9.8 to 3.9.9

Bumps [typescript](https://github.com/Microsoft/TypeScript) from 3.9.8 to 3.9.9.
- [Release notes](https://github.com/Microsoft/TypeScript/releases)
- [Commits](microsoft/TypeScript@v3.9.8...v3.9.9)

Signed-off-by: dependabot-preview[bot] <[email protected]>

Author: dependabot-preview[bot]

package-lock.json

@@ -40,7 +40,7 @@
     "throng": "^5.0.0",
     "ts-jest": "^25.5.1",
     "ts-node": "^9.1.1",
-    "typescript": "^3.9.8",
+    "typescript": "^3.9.9",
     "uuid": "^8.3.2"
   },
   "_moduleAliases": {