fix(deps): update dependency jest to v27

Author: renovate-bot

package.json

@@ -50,7 +50,7 @@
     "@schematics/angular": "11.2.0",
     "@types/jest": "26.0.20",
     "cors": "2.8.5",
-    "jest": "26.6.3",
+    "jest": "27.0.3",
     "trouter": "3.1.0",
     "ts-jest": "26.5.1"
   },