chore(deps): bump serialize-javascript and @angular-devkit/build-angular

[dependabot]

Removes serialize-javascript. It's no longer used after updating ancestor dependency @angular-devkit/build-angular. These dependencies need to be updated together.

Removes serialize-javascript

Updates @angular-devkit/build-angular from 19.2.23 to 21.2.5

Release notes

Sourced from @​angular-devkit/build-angular's releases.

21.2.5

@​angular/cli

Commit	Description
	support custom port in MCP devserver start tool

@​angular/ssr

Commit	Description
	allow underscores in host validation
	patch Headers.forEach in cloneRequestAndPatchHeaders

21.2.4

@​angular/cli

Commit	Description
	restore console methods after logger completes

@​angular/build

Commit	Description
	deduplicate and merge coverage excludes with vitest
	prevent reporter duplicates by explicitly overriding Vitest configuration
	remove default for unit-test coverage option
	warn about performance of test.exclude in vitest configuration
	warn when vitest watch config conflicts with builder

@​angular/ssr

Commit	Description
	apply forwarded prefix and vary header in accept-language redirects
	support '*' in allowedHosts and warn about security risks

21.2.3

@​angular/cli

Commit	Description
	use parsed package name for migrate-only updates

@​angular/build

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

@​angular/ssr

Commit	Description
	disallow x-forwarded-prefix starting with a backslash
	ensure unique values in redirect response Vary header
	support custom headers in redirect responses

21.2.2

@​angular/cli

| Commit | Description |

... (truncated)

Changelog

Sourced from @​angular-devkit/build-angular's changelog.

21.2.5 (2026-03-27)

@​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

20.3.22 (2026-03-27)

@​angular-devkit/build-angular

Commit	Type	Description
5978eeeff	fix	update picomatch to 4.0.4

@​angular-devkit/core

Commit	Type	Description
6e9b92612	fix	update picomatch to 4.0.4

@​angular/build

Commit	Type	Description
6f209c26d	fix	update picomatch to 4.0.4

Commits

• 3018612 release: cut the v21.2.5 release
• 349bd43 build: update dependency picomatch to v4.0.4
• cadf9b2 feat(@​angular/cli): support custom port in MCP devserver start tool
• bbc2554 fix(@​angular/ssr): allow underscores in host validation
• 88ac998 build: update cross-repo angular dependencies
• 022e0ef build: update github/codeql-action action to v4.34.1
• c363f19 build: update dependency node to v22.22.2
• b1fe66a fix(@​angular/ssr): patch Headers.forEach in cloneRequestAndPatchHeaders
• 2aa93fc release: cut the v21.2.4 release
• f33826e build: update cross-repo angular dependencies
• Additional commits viewable in compare view