Rebased Dovecot on Alpine 3.17 instead Bullseye (ARM64 Support)

data/Dockerfiles/dovecot/Dockerfile

@@ -133,4 +133,4 @@ COPY quota_notify.py /usr/local/bin/quota_notify.py
 COPY repl_health.sh /usr/local/bin/repl_health.sh
 
 ENTRYPOINT ["/docker-entrypoint.sh"]
-CMD exec /usr/bin/supervisord -c /etc/supervisor/supervisord.conf
+CMD exec /usr/bin/supervisord -c /etc/supervisor/supervisord.conf