main/dovecot: upgrade pidgeonhole to 0.5.21.1
This PR upgrades pidgeonhole to 0.5.21.1.
Changelog: https://github.com/dovecot/pigeonhole/blob/release-0.5.21/NEWS
Please merge PR !70485 (merged) first in order to cleanup this PR
This PR upgrades pidgeonhole to 0.5.21.1.
Changelog: https://github.com/dovecot/pigeonhole/blob/release-0.5.21/NEWS
Please merge PR !70485 (merged) first in order to cleanup this PR