build: update cross-repo angular dependencies (21.2.x)

[angular-robot]

This PR contains the following updates:

Package	Type	Update	Change
@angular/ng-dev	devDependencies	digest	32f536b → 5b8d523
angular/dev-infra	action	digest	16c5f6e → d6b8e77
devinfra	git_override	digest	16c5f6e → d6b8e77

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

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[thePunderWoman]

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

• 21.2.x: 2158bf8

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