update angular to 11

src/frontend/angular.json

@@ -65,7 +65,6 @@
               "optimization": true,
               "outputHashing": "all",
               "sourceMap": false,
-              "extractCss": true,
               "namedChunks": false,
               "extractLicenses": true,
               "vendorChunk": false,

src/frontend/e2e/tsconfig.json

@@ -1,6 +1,6 @@
 /* To learn more about this file see: https://angular.io/config/tsconfig. */
 {
-  "extends": "../tsconfig.base.json",
+  "extends": "../tsconfig.json",
   "compilerOptions": {
     "outDir": "../out-tsc/e2e",
     "module": "commonjs",

src/frontend/package.json

@@ -11,36 +11,36 @@
   },
   "private": true,
   "dependencies": {
-    "@angular/animations": "~10.0.14",
-    "@angular/common": "~10.0.14",
-    "@angular/compiler": "~10.0.14",
-    "@angular/core": "~10.0.14",
-    "@angular/forms": "~10.0.14",
-    "@angular/platform-browser": "~10.0.14",
-    "@angular/platform-browser-dynamic": "~10.0.14",
-    "@angular/router": "~10.0.14",
+    "@angular/animations": "~11.2.14",
+    "@angular/common": "~11.2.14",
+    "@angular/compiler": "~11.2.14",
+    "@angular/core": "~11.2.14",
+    "@angular/forms": "~11.2.14",
+    "@angular/platform-browser": "~11.2.14",
+    "@angular/platform-browser-dynamic": "~11.2.14",
+    "@angular/router": "~11.2.14",
     "rxjs": "~6.5.5",
     "tslib": "^2.0.0",
     "zone.js": "~0.10.3"
   },
   "devDependencies": {
-    "@angular-devkit/build-angular": "~0.1000.8",
-    "@angular/cli": "~10.0.8",
-    "@angular/compiler-cli": "~10.0.14",
+    "@angular-devkit/build-angular": "~0.1102.14",
+    "@angular/cli": "~11.2.14",
+    "@angular/compiler-cli": "~11.2.14",
     "@types/node": "^12.11.1",
-    "@types/jasmine": "~3.5.0",
+    "@types/jasmine": "~3.6.0",
     "@types/jasminewd2": "~2.0.3",
     "codelyzer": "^6.0.0",
-    "jasmine-core": "~3.5.0",
+    "jasmine-core": "~3.6.0",
     "jasmine-spec-reporter": "~5.0.0",
-    "karma": "~5.0.0",
+    "karma": "~6.3.4",
     "karma-chrome-launcher": "~3.1.0",
     "karma-coverage-istanbul-reporter": "~3.0.2",
-    "karma-jasmine": "~3.3.0",
+    "karma-jasmine": "~4.0.0",
     "karma-jasmine-html-reporter": "^1.5.0",
     "protractor": "~7.0.0",
     "ts-node": "~8.3.0",
     "tslint": "~6.1.0",
-    "typescript": "~3.9.5"
+    "typescript": "~4.1.6"
   }
 }

src/frontend/tsconfig.app.json

@@ -1,6 +1,6 @@
 /* To learn more about this file see: https://angular.io/config/tsconfig. */
 {
-  "extends": "./tsconfig.base.json",
+  "extends": "./tsconfig.json",
   "compilerOptions": {
     "outDir": "./out-tsc/app",
     "types": []

src/frontend/tsconfig.base.json

@@ -1,20 +0,0 @@
-/* To learn more about this file see: https://angular.io/config/tsconfig. */
-{
-  "compileOnSave": false,
-  "compilerOptions": {
-    "baseUrl": "./",
-    "outDir": "./dist/out-tsc",
-    "sourceMap": true,
-    "declaration": false,
-    "downlevelIteration": true,
-    "experimentalDecorators": true,
-    "moduleResolution": "node",
-    "importHelpers": true,
-    "target": "es2015",
-    "module": "es2020",
-    "lib": [
-      "es2018",
-      "dom"
-    ]
-  }
-}

src/frontend/tsconfig.json

@@ -1,17 +1,20 @@
-/*
-  This is a "Solution Style" tsconfig.json file, and is used by editors and TypeScript’s language server to improve development experience.
-  It is not intended to be used to perform a compilation.
-
-  To learn more about this file see: https://angular.io/config/solution-tsconfig.
-*/
+/* To learn more about this file see: https://angular.io/config/tsconfig. */
 {
-  "files": [],
-  "references": [
-    {
-      "path": "./tsconfig.app.json"
-    },
-    {
-      "path": "./tsconfig.spec.json"
-    }
-]
+  "compileOnSave": false,
+  "compilerOptions": {
+    "baseUrl": "./",
+    "outDir": "./dist/out-tsc",
+    "sourceMap": true,
+    "declaration": false,
+    "downlevelIteration": true,
+    "experimentalDecorators": true,
+    "moduleResolution": "node",
+    "importHelpers": true,
+    "target": "es2015",
+    "module": "es2020",
+    "lib": [
+      "es2018",
+      "dom"
+    ]
+  }
 }

src/frontend/tsconfig.spec.json

@@ -1,6 +1,6 @@
 /* To learn more about this file see: https://angular.io/config/tsconfig. */
 {
-  "extends": "./tsconfig.base.json",
+  "extends": "./tsconfig.json",
   "compilerOptions": {
     "outDir": "./out-tsc/spec",
     "types": [