build: update cross-repo angular dependencies (21.0.x)

[angular-robot]

This PR contains the following updates:

Package	Type	Update	Change
@angular/ng-dev	devDependencies	digest	b69a617 -> eed3c33
angular/dev-infra	action	digest	ab6a00e -> 8704d6c
devinfra	git_override	digest	ab6a00e -> 8704d6c

🔡 If you wish to disable git hash updates, add ":disableDigestUpdates" to the extends array in your config.

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This PR has been generated by Renovate Bot.

[alan-agius4]

This PR was merged into the repository. The changes were merged into the following branches:

• 21.0.x: 9d7cf4f

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