npm(deps-dev): 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] <support@github.com>

package.json

@@ -122,7 +122,7 @@
     "tslint-config-prettier": "^1.18.0",
     "tslint-eslint-rules": "^5.4.0",
     "tslint-import-group-ordering": "^2.1.2",
-    "typescript": "^4.0.5",
+    "typescript": "^4.1.5",
     "webpack-cli": "^4.5.0",
     "webpack-fix-style-only-entries": "^0.6.1"
   },