build: update cross-repo angular dependencies to v21.2.0-rc.0

[angular-robot]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
@angular/animations (source)	21.2.0-next.3 → 21.2.0-rc.0
@angular/build	21.2.0-next.2 → 21.2.0-rc.0
@angular/cdk	21.2.0-next.4 → 21.2.0-rc.0
@angular/cli	21.2.0-next.2 → 21.2.0-rc.0
@angular/common (source)	21.2.0-next.3 → 21.2.0-rc.0
@angular/compiler (source)	21.2.0-next.3 → 21.2.0-rc.0
@angular/compiler-cli (source)	21.2.0-next.3 → 21.2.0-rc.0
@angular/core (source)	21.2.0-next.3 → 21.2.0-rc.0
@angular/forms (source)	21.2.0-next.3 → 21.2.0-rc.0
@angular/material	21.2.0-next.4 → 21.2.0-rc.0
@angular/platform-browser (source)	21.2.0-next.3 → 21.2.0-rc.0
@angular/router (source)	21.2.0-next.3 → 21.2.0-rc.0

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Release Notes

angular/angular (@​angular/animations)

v21.2.0-rc.0

Compare Source

compiler

Commit	Type	Description
95b3f37d4a	feat	Exhaustive checks for switch blocks

core

Commit	Type	Description
81cabc1477	feat	add support for TypeScript 6
0806ee3826	fix	prevent animated element duplication with dynamic components in zoneless mode

forms

Commit	Type	Description
22afbb2f36	feat	add parsing support to native inputs (#​66917)
30f0914754	feat	support binding null to number input (#​66917)
27397b3f4f	fix	clear parse errors when model updates (#​66917)
63d8005703	fix	preserve custom-control focus context in signal forms
567f292e8e	fix	support custom controls as host directives
d75046bc09	fix	warn when showing hidden field state

angular/angular-cli (@​angular/build)

v21.2.0-rc.0

Compare Source

angular/components (@​angular/cdk)

v21.2.0-rc.0

Compare Source

v21.2.0-next.5

Compare Source

aria

Commit	Type	Description
c57e6a1545	fix	combobox: fix autocomplete examples and add comments explaining combobox selection behavior (#​32714)

cdk

Commit	Type	Description
b15b48df98	fix	tree: no nodes focusable if data is replaced (#​32781)

material

Commit	Type	Description
f5c586925e	fix	select: disable position locking (#​32772)

google-maps

Commit	Type	Description
0870786036	fix	fix mismatch in clusterer types (#​32778)

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