Various open bugs for these and bumps pending. mysql@ has very few
members now and needs help in general, but doesn't have the resources
to maintain these.

commit ab270c702a21d69c4ebd099951ff7a79142081d1
Author: Sam James <sam@gentoo.org>
Date:   Tue Jul 4 23:20:03 2023 +0100
    dev-db/percona-xtrabackup: drop to maintainer-needed

    Signed-off-by: Sam James <sam@gentoo.org>

commit 632d464008bcaadb49811b5dceef1091db91b99f
Author: Sam James <sam@gentoo.org>
Date:   Tue Jul 4 23:19:51 2023 +0100

    dev-db/percona-toolkit: drop to maintainer-needed

    Signed-off-by: Sam James <sam@gentoo.org>

commit dbe60f7ea017a23fd79ac3b1828cd5599e4941cd
Author: Sam James <sam@gentoo.org>
Date:   Tue Jul 4 23:19:34 2023 +0100

    dev-db/percona-server: drop to maintainer-needed