Bump typescript from 4.1.3 to 4.1.5

Bumps [typescript](https://github.com/Microsoft/TypeScript) from 4.1.3 to 4.1.5.
- [Release notes](https://github.com/Microsoft/TypeScript/releases)
- [Commits](microsoft/TypeScript@v4.1.3...v4.1.5)

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

Author: dependabot[bot]

package-lock.json

@@ -38,7 +38,7 @@
     "prettier-standard": "16.3.0",
     "ts-jest": "^26.5.0",
     "ts-node": "^9.1.1",
-    "typescript": "^4.1.3"
+    "typescript": "^4.1.5"
   },
   "dependencies": {
     "@aws-cdk/aws-cloudwatch": "1.87.1",