[pkgdb] perl-JSON-MaybeXS summary updated by limb

[Fedora PackageDB]

limb set package perl-JSON-MaybeXS summary to Use Cpanel::JSON::XS with a fallback to JSON::XS and JSON::PP

To make changes to this package see:
  https://admin.fedoraproject.org/pkgdb/acls/name/perl-JSON-MaybeXS