chore(deps): update angular-cli monorepo to v21.2.8

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
@angular-devkit/build-angular	21.2.3 → 21.2.8
@angular-devkit/core	21.2.3 → 21.2.8
@angular-devkit/schematics	21.2.3 → 21.2.8
@angular/cli	21.2.3 → 21.2.8
@schematics/angular	21.2.3 → 21.2.8

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Release Notes

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

v21.2.8: 21.2.8

Compare Source

@​angular/cli

Commit	Description
	dynamically resolve project Angular CLI executable inside MCP tools
	ignore EBADF file system errors during MCP project scan
	use headless option in MCP test tool

@​angular-devkit/build-angular

Commit	Description
	ensure route has leading slash in prerender builder
	fix app-shell route format and

@​angular/build

Commit	Description
	use rootDir for HMR component updates path resolution
	validate V8 coverage support for browsers in Vitest

v21.2.7

Compare Source

@​angular/cli

Commit	Type	Description
971041aa1	fix	handle missing package manager during analytics initialization

@​angular/build

Commit	Type	Description
365cce81d	fix	preserve coverage ignore comments in development
9f74660c3	fix	show clear error when styleUrl points to a TypeScript file

v21.2.6

Compare Source

@​angular/cli

Commit	Type	Description
ea14f28cc	fix	fix sourceRoot resolution for MCP projects tool

@​angular/build

Commit	Type	Description
9136eb376	fix	ensure transitive SCSS partial errors are tracked in watch mode
8186faa11	fix	ensure Vitest mock patching is executed only once
107d1a9e2	fix	preserve error stack traces during prerendering
b7f457253	fix	scope CHROME_BIN executable path to individual playwright instances

v21.2.5

Compare Source

@​angular/cli

Commit	Type	Description
cadf9b201	feat	support custom port in MCP devserver start tool

@​angular/ssr

Commit	Type	Description
bbc255419	fix	allow underscores in host validation
b1fe66a7f	fix	patch Headers.forEach in cloneRequestAndPatchHeaders

v21.2.4

Compare Source

@​angular/cli

Commit	Type	Description
a7787d092	fix	restore console methods after logger completes

@​angular/build

Commit	Type	Description
7170599ab	fix	deduplicate and merge coverage excludes with vitest
c73f13797	fix	prevent reporter duplicates by explicitly overriding Vitest configuration
956ccaa71	fix	remove default for unit-test coverage option
36978db7e	fix	warn about performance of test.exclude in vitest configuration
6ec36f5be	fix	warn when vitest watch config conflicts with builder

@​angular/ssr

Commit	Type	Description
9bdf782c8	fix	apply forwarded prefix and vary header in accept-language redirects
628c58672	fix	support '*' in allowedHosts and warn about security risks

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