fix(angular): when unit test runner is set to none library component should not generate spec file (#28906)

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## Current Behavior
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When unitTestRunner is set to none, spec files are still generated


## Expected Behavior
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SkipTests when unit test runner set to none

## Related Issue(s)
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merged. -->

Fixes #

packages/angular/src/generators/library/lib/normalize-options.ts

@@ -67,6 +67,7 @@ export async function normalizeOptions(
     fileName,
     importPath,
     ngCliSchematicLibRoot,
+    skipTests: options.unitTestRunner === 'none' ? true : options.skipTests,
     standaloneComponentName: `${
       names(projectNames.projectSimpleName).className
     }Component`,