build: update cross-repo angular dependencies to v21.0.0-next.8 (main)

[angular-robot]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
@angular-devkit/build-angular	21.0.0-next.7 -> 21.0.0-next.8
@angular-devkit/core	21.0.0-next.7 -> 21.0.0-next.8
@angular-devkit/schematics	21.0.0-next.7 -> 21.0.0-next.8
@angular/build	21.0.0-next.7 -> 21.0.0-next.8
@angular/cli	21.0.0-next.7 -> 21.0.0-next.8
@angular/ssr	21.0.0-next.7 -> 21.0.0-next.8
@schematics/angular	21.0.0-next.7 -> 21.0.0-next.8

---

Release Notes

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

v21.0.0-next.8

Compare Source

@​schematics/angular

Commit	Type	Description
ede5e52bc	feat	add include option to jasmine-to-vitest schematic
d0d2a17b8	feat	add Jasmine spy API transformations to jasmine-to-vitest schematic
e7d955bed	feat	add matcher transformations to jasmine-to-vitest schematic
629f5cb18	feat	add misc transformations to jasmine-to-vitest schematic
58474ec7d	feat	introduce initial jasmine-to-vitest unit test refactor schematic
8f0f6a5f1	fix	add migration to update moduleResolution to bundler
f35b9f331	fix	improve comment preservation in jasmine-to-vitest

@​angular-devkit/build-angular

Commit	Type	Description
53899511a	fix	expand jest and jest-environment-jsdom to allow version 30

@​angular/build

Commit	Type	Description
a90bea5b5	feat	support .test.ts files by default in unit test builder

@​angular/ssr

Commit	Type	Description
7be6c8f0e	fix	prevent malicious URL from overriding host

---

Configuration

📅 Schedule: Branch creation - Every 2 hours, between 12:00 AM and 10:59 PM ( * 0-22/2 * * * ) in timezone America/Tijuana, Automerge - At any time (no schedule defined).

🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

♻ Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about these updates again.

---

• If you want to rebase/retry this PR, check this box

---

This PR has been generated by Renovate Bot.