[pkg-gnupg-maint] bump severity, gpgme1.0 1.18.0-5 migrated to testing last week

[Andreas Metzler]

severity 1078480 important
severity 1078481 important
severity 1078482 important
severity 1078483 important
severity 1078484 important
severity 1078485 important
severity 1078486 important
severity 1078487 important
severity 1078488 important