Update Command/ExpireGroupBase: add type declarations

[joshtrichards]

No description provided.

[come-nc]

2024-01-17T16:03:13.7504231Z ##[error]lib/Command/ExpireGroup/ExpireGroupTrash.php:44:2: MethodSignatureMismatch: Method OCA\GroupFolders\Command\ExpireGroup\ExpireGroupTrash::configure with return type '' is different to return type 'void' of inherited method OCA\GroupFolders\Command\ExpireGroup\ExpireGroupBase::configure (see https://psalm.dev/042)
2024-01-17T16:03:13.7520605Z ##[error]lib/Command/ExpireGroup/ExpireGroupTrash.php:51:2: MethodSignatureMismatch: Method OCA\GroupFolders\Command\ExpireGroup\ExpireGroupTrash::execute with return type '' is different to return type 'int' of inherited method OCA\GroupFolders\Command\ExpireGroup\ExpireGroupBase::execute (see https://psalm.dev/042)
2024-01-17T16:03:13.7531567Z ##[error]lib/Command/ExpireGroup/ExpireGroupVersions.php:45:2: MethodSignatureMismatch: Method OCA\GroupFolders\Command\ExpireGroup\ExpireGroupVersions::configure with return type '' is different to return type 'void' of inherited method OCA\GroupFolders\Command\ExpireGroup\ExpireGroupBase::configure (see https://psalm.dev/042)
2024-01-17T16:03:13.7540223Z ##[error]lib/Command/ExpireGroup/ExpireGroupVersions.php:52:2: MethodSignatureMismatch: Method OCA\GroupFolders\Command\ExpireGroup\ExpireGroupVersions::execute with return type '' is different to return type 'int' of inherited method OCA\GroupFolders\Command\ExpireGroup\ExpireGroupBase::execute (see https://psalm.dev/042)
2024-01-17T16:03:13.7548524Z ##[error]lib/Command/ExpireGroup/ExpireGroupVersionsTrash.php:46:2: MethodSignatureMismatch: Method OCA\GroupFolders\Command\ExpireGroup\ExpireGroupVersionsTrash::configure with return type '' is different to return type 'void' of inherited method OCA\GroupFolders\Command\ExpireGroup\ExpireGroupBase::configure (see https://psalm.dev/042)
2024-01-17T16:03:13.7557058Z ##[error]lib/Command/ExpireGroup/ExpireGroupVersionsTrash.php:53:2: MethodSignatureMismatch: Method OCA\GroupFolders\Command\ExpireGroup\ExpireGroupVersionsTrash::execute with return type '' is different to return type 'int' of inherited method OCA\GroupFolders\Command\ExpireGroup\ExpireGroupBase::execute (see https://psalm.dev/042)

Commands inheriting the base class needs to be adapted

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