chore(deps): update dependency typescript to v4 (#276)

Co-authored-by: Renovate Bot <bot@renovateapp.com>

Author: renovate[bot]

.k8s/package.json

@@ -22,6 +22,6 @@
     "dotenv": "^8.2.0",
     "kosko": "^0.9.2",
     "ts-node": "^8.10.2",
-    "typescript": "^3.9.7"
+    "typescript": "^4.0.2"
   }
 }

.k8s/yarn.lock

@@ -868,10 +868,10 @@ type-check@~0.3.2:
   dependencies:
     prelude-ls "~1.1.2"
 
-typescript@^3.9.7:
-  version "3.9.7"
-  resolved "https://registry.yarnpkg.com/typescript/-/typescript-3.9.7.tgz#98d600a5ebdc38f40cb277522f12dc800e9e25fa"
-  integrity sha512-BLbiRkiBzAwsjut4x/dsibSTB6yWpwT5qWmC2OfuCg3GgVQCSgMs4vEctYPhsaGtd0AeuuHMkjZ2h2WG8MSzRw==
+typescript@^4.0.2:
+  version "4.0.2"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-4.0.2.tgz#7ea7c88777c723c681e33bf7988be5d008d05ac2"
+  integrity sha512-e4ERvRV2wb+rRZ/IQeb3jm2VxBsirQLpQhdxplZ2MEzGvDkkMmPglecnNDfSUBivMjP93vRbngYYDQqQ/78bcQ==
 
 underscore@1.7.0:
   version "1.7.0"