Increase maxproc for reinjecting ports from 10 to 100

Otherwise under high load filtermail
starts printing "Connection refused" errors to the log.

upstream: chatmail/relay@c568052

Author: feld

templates/default/master.cf.erb

@@ -77,13 +77,13 @@ scache    unix  -       -       y       -       1       scache
 postlog   unix-dgram n  -       n       -       1       postlogd
 filter    unix -        n       n       -       -       lmtp
 # Local SMTP server for reinjecting outgoing filtered mail.
-127.0.0.1:10025 inet  n       -       n       -       10      smtpd
+127.0.0.1:10025 inet  n       -       n       -       100      smtpd
   -o syslog_name=postfix/reinject
   -o smtpd_milters=unix:opendkim/opendkim.sock
   -o cleanup_service_name=authclean
 
 # Local SMTP server for reinjecting incoming filtered mail
-127.0.0.1:10026 inet  n       -       n       -       10      smtpd
+127.0.0.1:10026 inet  n       -       n       -       100      smtpd
    -o syslog_name=postfix/reinject_incoming
    -o smtpd_milters=unix:opendkim/opendkim.sock