build(deps-dev): Bump @types/node in /Kaizen/ClientApp (#306)

Bumps [@types/node](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/node) from 14.14.41 to 15.0.1.
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/node)

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Kaizen/ClientApp/package.json

@@ -50,7 +50,7 @@
     "@angular/language-service": "11.2.12",
     "@types/jasmine": "~3.6.9",
     "@types/jasminewd2": "~2.0.8",
-    "@types/node": "^14.14.41",
+    "@types/node": "^15.0.1",
     "codelyzer": "^6.0.1",
     "jasmine-core": "~3.7.1",
     "jasmine-spec-reporter": "~7.0.0",