build: update cross-repo angular dependencies to v21.0.0-rc.0

[angular-robot]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
@angular/animations (source)	21.0.0-next.9 -> 21.0.0-rc.0
@angular/build	21.0.0-next.9 -> 21.0.0-rc.0
@angular/cli	21.0.0-next.9 -> 21.0.0-rc.0
@angular/common (source)	21.0.0-next.9 -> 21.0.0-rc.0
@angular/compiler (source)	21.0.0-next.9 -> 21.0.0-rc.0
@angular/compiler-cli (source)	21.0.0-next.9 -> 21.0.0-rc.0
@angular/core (source)	21.0.0-next.9 -> 21.0.0-rc.0
@angular/forms (source)	21.0.0-next.9 -> 21.0.0-rc.0
@angular/platform-browser (source)	21.0.0-next.9 -> 21.0.0-rc.0
@angular/router (source)	21.0.0-next.9 -> 21.0.0-rc.0

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Release Notes

angular/angular (@​angular/animations)

v21.0.0-rc.0

Compare Source

v21.0.0-next.10

Compare Source

common

Commit	Type	Description
2abf2fb501	feat	Blocks IPv6 localhost from preconnect checks

compiler

Commit	Type	Description
04dd75ba94	fix	support arbitrary nesting in :host-context()

core

Commit	Type	Description
54ad2304e3	fix	Clear lView from IcuIteratorState when stack is empty to prevent memory leak
aa389a691b	fix	ensure @for iteration over field is reactive (#​64113)

forms

Commit	Type	Description
a1ac9a6415	fix	interop supports CVAs with signals (#​64618)

migrations

Commit	Type	Description
95344c19f3	fix	Do not remove a template if it is referenced even with a trailing semilocon

router

Commit	Type	Description
b7cefeb864	fix	handle parenthesized outlets without a name in DefaultUrlSerializer (#​64507)

angular/angular-cli (@​angular/build)

v21.0.0-rc.0

Compare Source

v21.0.0-next.10

Compare Source

@​schematics/angular

Commit	Type	Description
c967a447c	fix	correct spacing in application spec tsconfig
00d941c43	fix	correct style guide paths for standalone components

@​angular-devkit/build-angular

Commit	Type	Description
6e395fc0c	fix	ensure vitest code coverage handles virtual files correctly

@​angular/build

Commit	Type	Description
b2f048773	fix	add --ui option for Vitest runner
530d9270e	fix	add define option to dev-server
091d1c03e	fix	add adapters to new reporter
542d52868	fix	allow custom runner configuration file for unit-test
9975c7249	fix	ensure locale data plugin runs before other plugins
7c529c1bc	fix	externalize Angular dependencies in Vitest runner
a41f4e860	fix	handle redirects from guards during prerendering
bab5806c2	fix	introduce vitest-base.config for test configuration
9132e6af9	fix	resolve browser provider packages using project resolver

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This PR has been generated by Renovate Bot.

[alan-agius4]

This PR was merged into the repository. The changes were merged into the following branches:

• main: dad477f