mail/dovecot-pigeonhole: update 0.5.21 → 0.5.21.1

• sieve: When saving to local storage failed after a successful action in sieve (e.g. redirect, vacation), the mail was reported as successfully delivered, although it was lost locally.

https://raw.githubusercontent.com/dovecot/pigeonhole/0.5.21.1/NEWS

Also:

• replace http with https in MASTER_SITES
• upstream changed official site to https://pigeonhole.dovecot.org
• add LICENSE_FILE
• sort pkg-plist

PR: 280877
Approved by: ler (maintainer)
MFH: 2024Q3