Add Support for Angular v21

[thamp59]

Closes #6275

Adding support for Angular v21, bumping the dependencies

[changeset-bot]

🦋 Changeset detected

Latest commit: c5ed40a

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 1 package

Name	Type
@uppy/angular	Minor

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[thamp59]

Hello, first contribution, please look over this carefully, I don't think there are other changes needed but please correct me if I'm wrong. Thanks!

[socket-security]

Review the following changes in direct dependencies. Learn more about Socket for GitHub.

Diff	Package	Supply Chain Security	Vulnerability	Quality	Maintenance	License
	postcss@​8.5.6

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[qxprakash]

Thanks for your contribution ! , You missed the lock file , can you please run yarn install and commit the lock file , and also add changeset !

[thamp59]

Thanks for your contribution ! , You missed the lock file , can you please run yarn install and commit the lock file , and also add changeset !

@qxprakash Done