Karma test runner uses deprecated parameters to start Karma server

[erikhorlings]

🐞 Bug report

Command (mark with an x)

• new
• build
• serve
• test
• e2e
• generate
• add
• update
• lint
• extract-i18n
• run
• config
• help
• version
• doc

Is this a regression?

Not relevant, this is caused by a change in Karma.

Description

When running 'ng test' in a project that is set up to use Karma as test framework, a warning about deprecated functionality is given.

🔬 Minimal Reproduction

Running 'ng test' on an Angular project that uses Karma as test framework.

🔥 Exception or Error

Passing raw CLI options to `new Server(config, done)` is deprecated. Use `parseConfig(configFilePath, cliOptions, {promiseConfig: true, throwErrors: true})` to prepare a processed `Config` instance and pass that as the `config` argument instead.

🌍 Your Environment

Angular CLI: 11.2.7
Node: 14.13.1
OS: darwin x64

Angular: 11.2.8
... animations, common, compiler, compiler-cli, core, forms
... language-service, localize, platform-browser
... platform-browser-dynamic, router
Ivy Workspace: Yes

Package                         Version
---------------------------------------------------------
@angular-devkit/architect       0.1102.7
@angular-devkit/build-angular   0.1102.8
@angular-devkit/core            11.2.7
@angular-devkit/schematics      11.2.7
@angular/cdk                    11.2.7
@angular/cli                    11.2.7
@schematics/angular             11.2.7
@schematics/update              0.1102.7
rxjs                            6.6.7
typescript                      4.1.5

Anything else relevant?

[erikhorlings]

I tried creating a pull request for this, but I think it depends on a change in the @karma/types library. I created an issue for that too: DefinitelyTyped/DefinitelyTyped#52282

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