Update angular-cli monorepo to v20

Author: renovate[bot]

packages/ngx-filesize-demo/package.json

@@ -23,8 +23,8 @@
     "zone.js": "~0.15.0"
   },
   "devDependencies": {
-    "@angular-devkit/build-angular": "^14.2.6",
-    "@angular/cli": "^14.2.6",
+    "@angular-devkit/build-angular": "^20.0.0",
+    "@angular/cli": "^20.0.0",
     "@angular/compiler-cli": "^14.2.7",
     "@types/jasmine": "^5.0.0",
     "jasmine-core": "^5.6.0",

packages/ngx-filesize/package.json

@@ -46,13 +46,13 @@
     "tslib": "^2.3.0"
   },
   "devDependencies": {
-    "@angular-devkit/build-angular": "^14.2.6",
+    "@angular-devkit/build-angular": "^20.0.0",
     "@angular-eslint/builder": "^14.4.0",
     "@angular-eslint/eslint-plugin": "^14.4.0",
     "@angular-eslint/eslint-plugin-template": "^14.4.0",
     "@angular-eslint/schematics": "^14.4.0",
     "@angular-eslint/template-parser": "^14.4.0",
-    "@angular/cli": "^14.2.6",
+    "@angular/cli": "^20.0.0",
     "@angular/common": "^14.2.7",
     "@angular/compiler": "^14.2.7",
     "@angular/compiler-cli": "^14.2.7",