Update angular-cli monorepo to v21.0.4

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
@angular/build	21.0.3 -> 21.0.4
@angular/cli	21.0.3 -> 21.0.4

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Release Notes

angular/angular-cli (@​angular/build)

v21.0.4

Compare Source

@​schematics/angular

Commit	Type	Description
b671245b9	fix	improve VS Code background compilation start/end detection
85a28dec7	fix	remove inlineSources from library tsconfig template

@​angular/build

Commit	Type	Description
deb4fff61	fix	add browser condition to resolver for vitest
570ce8d3e	fix	allow non-prefixed requests when using SSR and base href
4dd3c1a32	fix	conditionally manage Vitest UI option
4b8b7caec	fix	ensure tests run when compilation error is resolved
bef4fcecb	fix	remove LmdbCacheStore export from private API

@​angular/ssr

Commit	Type	Description
bb54747da	fix	add leading slash to well-known non-Angular URLs
0cfe2e749	fix	propagate status code to redirect
eadadb848	fix	skip SSR processing for well-known non-Angular URLs like favicon.ico

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