chore(deps-dev): bump @angular-devkit/build-angular from 19.2.12 to 21.1.1 in /frontend

[dependabot]

Bumps @angular-devkit/build-angular from 19.2.12 to 21.1.1.

Release notes

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

21.1.1

@​schematics/angular

Commit	Description
	correct vscode MCP configuration for new projects
	remove special characters from jasmine-vitest report filename

@​angular/cli

Commit	Description
	Remove nonexistent link from MCP response

@​angular/build

Commit	Description
	allow application assets in workspace root
	prevent incorrect catch binding removal in downleveled for-await
	update undici to v7.18.2

21.1.0

@​schematics/angular

Commit	Description
	add browserMode option to jasmine-vitest schematic
	generate detailed migration report for refactor-jasmine-vitest
	add MCP configuration file to new workspaces

@​angular/cli

Commit	Description
	add 'test' and 'e2e' MCP tools
	Add "all" as an experimental tool group
	Add MCP tools for building and running devservers
	add signal forms lessons
	correctly handle yarn classic tag manifest fetching
	correctly spawn package managers on Windows in new abstraction
	enhance list_projects MCP tool file system traversal and symlink handling
	handle array output from npm view in manifest parser
	improve signal forms lesson examples in AI tutor
	rename mcp devserver tools to comply with naming spec
	update dependency @​modelcontextprotocol/sdk to v1.25.2
	update yarn berry package manager configuration
	use project-local temporary directory in ng add
	cache resolved specific version in package manager abstraction
	optimize ng add version discovery

@​angular/build

Commit	Description
	directly support ng-packagr in unit-test builder
	disable TestBed teardown during debugging in Vitest
	inject source-map-support for Vitest browser tests
	normalize roots to POSIX in test discovery for Windows compatibility
	resolve test files correctly on Windows when using non-C drives

... (truncated)

Changelog

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

21.1.1 (2026-01-21)

@​angular/cli

Commit	Type	Description
151b69587	fix	Remove nonexistent link from MCP response

@​schematics/angular

Commit	Type	Description
9da6d8fa7	fix	correct vscode MCP configuration for new projects
361758c75	fix	remove special characters from jasmine-vitest report filename

@​angular/build

Commit	Type	Description
1b7e3307a	fix	allow application assets in workspace root
d1e596dc5	fix	prevent incorrect catch binding removal in downleveled for-await
98ef0981a	fix	update undici to v7.18.2

20.3.15 (2026-01-21)

@​angular/cli

Commit	Type	Description
795d65413	fix	update pacote to v21.0.4

@​angular-devkit/build-angular

Commit	Type	Description
ffc72cbc5	fix	update webpack to version 5.104.1

21.1.0 (2026-01-14)

@​angular/cli

| Commit | Type | Description |

... (truncated)

Commits

• d49ec17 release: cut the v21.1.1 release
• 9da6d8f fix(@​schematics/angular): correct vscode MCP configuration for new projects
• 4742aae build: update pnpm to v10.28.1
• 361758c fix(@​schematics/angular): remove special characters from jasmine-vitest repor...
• 151b695 fix(@​angular/cli): Remove nonexistent link from MCP response
• 98ef098 fix(@​angular/build): update undici to v7.18.2
• 2e3fca7 build: lock file maintenance
• 1b7e330 fix(@​angular/build): allow application assets in workspace root
• d1e596d fix(@​angular/build): prevent incorrect catch binding removal in downleveled f...
• ad75b55 build: update github/codeql-action action to v4.31.10
• Additional commits viewable in compare view

Dependabot will resolve any conflicts with this PR as long as you don't alter it yourself. You can also trigger a rebase manually by commenting @dependabot rebase.

---

Dependabot commands and options

You can trigger Dependabot actions by commenting on this PR:

• @dependabot rebase will rebase this PR
• @dependabot recreate will recreate this PR, overwriting any edits that have been made to it
• @dependabot merge will merge this PR after your CI passes on it
• @dependabot squash and merge will squash and merge this PR after your CI passes on it
• @dependabot cancel merge will cancel a previously requested merge and block automerging
• @dependabot reopen will reopen this PR if it is closed
• @dependabot close will close this PR and stop Dependabot recreating it. You can achieve the same result by closing it manually
• @dependabot show <dependency name> ignore conditions will show all of the ignore conditions of the specified dependency
• @dependabot ignore this major version will close this PR and stop Dependabot creating any more for this major version (unless you reopen the PR or upgrade to it yourself)
• @dependabot ignore this minor version will close this PR and stop Dependabot creating any more for this minor version (unless you reopen the PR or upgrade to it yourself)
• @dependabot ignore this dependency will close this PR and stop Dependabot creating any more for this dependency (unless you reopen the PR or upgrade to it yourself)

[dependabot]

Superseded by #421.