build: update cross-repo angular dependencies to v21.0.0-next.4

[angular-robot]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
@angular/cdk	21.0.0-next.3 -> 21.0.0-next.4
@angular/material	21.0.0-next.3 -> 21.0.0-next.4

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Release Notes

angular/components (@​angular/cdk)

v21.0.0-next.4

Compare Source

material

Commit	Type	Description
962a60c11	fix	button: do not show hover state on devices that don't support hover (#​31866)
31562a4b8	fix	core: separate text/bg colors in utility classes (#​31879)
a2906ddf3	fix	tabs: attach content inside the zone (#​31868)

cdk-experimental

Commit	Type	Description
c21dfa348	fix	ui-patterns: enter/space/click in single selection mode should not deselect tree item (#​31843)

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Configuration

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♻ 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.

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

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This PR has been generated by Renovate Bot.

[josephperrott]

LGTM

[josephperrott]

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

• main: ea29aaa

[angular-robot]

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