chore(deps): update dependency nextcloud-releases/groupfolders to v15.3.0

This MR contains the following updates:

Package	Update	Change
nextcloud-releases/groupfolders	minor	v15.0.2 -> v15.3.0

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Release Notes

nextcloud-releases/groupfolders (nextcloud-releases/groupfolders)

v15.3.0: 15.3.0

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What's Changed

• [stable27] Reapply: Adapt version backend to new features by @​artonge in https://github.com/nextcloud/groupfolders/pull/2550

Full Changelog: https://github.com/nextcloud/groupfolders/compare/v15.2.0...v15.3.0

v15.2.0: 15.2.0

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• Revert the changes from 15.1.0 that were released with incorrect server version requirements

v15.1.0: 15.1.0

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What's Changed

• [stable27] Adapt version backend to new features by @​backportbot-nextcloud in https://github.com/nextcloud/groupfolders/pull/2544

Full Changelog: https://github.com/nextcloud/groupfolders/compare/v15.0.2...v15.1.0

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