Bump Angular to 17

Author: oliverguenther

Diff for: frontend/angular.json

@@ -61,8 +61,7 @@
             ],
             "stylePreprocessorOptions": {
               "includePaths": [
-                "src/assets/sass/",
-                "src/app/spot/styles/sass/variables/"
+                "src/assets/sass/"
               ]
             },
             "scripts": [],
@@ -136,19 +135,19 @@
         "serve": {
           "builder": "@angular-devkit/build-angular:dev-server",
           "options": {
-            "browserTarget": "OpenProject:build",
-            "proxyConfig": "cli_to_rails_proxy.js"
+            "proxyConfig": "cli_to_rails_proxy.js",
+            "buildTarget": "OpenProject:build"
           },
           "configurations": {
             "production": {
-              "browserTarget": "OpenProject:build:production"
+              "buildTarget": "OpenProject:build:production"
             }
           }
         },
         "extract-i18n": {
           "builder": "@angular-devkit/build-angular:extract-i18n",
           "options": {
-            "browserTarget": "OpenProject:build"
+            "buildTarget": "OpenProject:build"
           }
         },
         "test": {