build: update cross-repo angular dependencies (20.3.x)

[angular-robot]

This PR contains the following updates:

Package	Type	Update	Change
@angular/ng-dev	devDependencies	digest	53dcff1 -> 3c4fd6f
angular/dev-infra	action	digest	a613c67 -> c584c35
devinfra	git_override	digest	a613c67 -> c584c35

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

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