Update angular-cli monorepo to v21.2.3

[github-actions]

This PR contains the following updates:

Package	Change	Age	Confidence
@angular-devkit/build-angular	21.2.0 → 21.2.3
@angular-devkit/core	21.2.0 → 21.2.3
@angular/build	21.2.0 → 21.2.3
@angular/cli	21.2.0 → 21.2.3

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Release Notes

angular/angular-cli (@​angular-devkit/build-angular)

v21.2.3

Compare Source

@​angular/cli

Commit	Type	Description
1505164bb	fix	use parsed package name for migrate-only updates

@​angular/build

Commit	Type	Description
75fa94cad	fix	alias createRequire banner import to avoid duplicate binding
d009aa1ec	fix	only use external packages for polyfills when no local files are present

@​angular/ssr

Commit	Type	Description
f3e0e82c2	fix	disallow x-forwarded-prefix starting with a backslash
b8bcd59b4	fix	ensure unique values in redirect response Vary header
84385411d	fix	support custom headers in redirect responses

v21.2.2

Compare Source

@​angular/cli

Commit	Type	Description
8447d9132	fix	conditionally quote package names when adding dependencies based on host requirements
d2f209823	fix	preserve exact version in ng add when requested
28f4d684a	perf	avoid redundant package version resolution in ng add

@​angular/build

Commit	Type	Description
06010294f	fix	allow any CHROME_BIN for vitest playwright provider
8dec0c62b	fix	normalize line endings for CSP hash generation
58688ebd7	fix	pass process environment variables to prerender workers
4ca61647f	fix	resolve assets correctly during i18n prerendering

v21.2.1

Compare Source

@​angular/cli

Commit	Type	Description
ae4c28d00	fix	correct dev dependency detection logic in ng add
465073bc1	fix	disable npm update notifier in package manager host
36270634f	fix	ensure group members are updated to targeted version
d87dba6af	fix	ignore unknown files when formatting schematic changes

@​schematics/angular

Commit	Type	Description
72d466aa0	fix	prevent adding test dependencies when minimal option is enabled

@​angular-devkit/build-angular

Commit	Type	Description
0019d1c8e	fix	update copy-webpack-plugin to v14.0.0

@​angular/build

Commit	Type	Description
6ad860863	fix	bundle polyfills to preserve execution order in dev server
d17397375	fix	conditionally allow vi.mock for non-relative imports
0d49f86ed	fix	resolve style include paths relative to ng-package.json in unit-test builder
584f6a2d9	fix	treat empty browsers array as undefined in unit-test builder
6699cdc9b	perf	fix memory leak in ng serve with i18n

@​angular/ssr

Commit	Type	Description
43a9dfa66	fix	improve header validation logic
dee3717b3	fix	introduce DI token to signal route discovery process

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