Revert "update: update to latest version of Fail2Ban (#2903)"

This reverts commit 295d7f0a05.

Dockerfile

@@ -133,7 +133,6 @@ EOF
 # -----------------------------------------------
 
 COPY target/fail2ban/jail.local /etc/fail2ban/jail.local
-COPY target/fail2ban/fail2ban.d/fixes.local /etc/fail2ban/fail2ban.d/fixes.local
 RUN <<EOF
   ln -s /var/log/mail/mail.log /var/log/mail.log
   # disable sshd jail

target/fail2ban/fail2ban.d/fixes.local

@@ -1,9 +0,0 @@
-# * Contains settings that act as fixes, mostly for tests.
-# ! When adding new content, provide a comment on why the fix is necessary.
-
-[Definition]
-
-# Fail2Ban will complain when using `fail2ban-client -d` about this option
-# not being set. This screws up `assert_output` in BATS tests. Therefore,
-# the default value is explictly set here.
-allowipv6 = auto;

target/scripts/build/packages.sh

@@ -117,7 +117,7 @@ function _install_dovecot
 
 function _install_fail2ban
 {
-  local FAIL2BAN_DEB_URL='https://github.com/fail2ban/fail2ban/releases/download/1.0.2/fail2ban_1.0.2-1.upstream1_all.deb'
+  local FAIL2BAN_DEB_URL='https://github.com/fail2ban/fail2ban/releases/download/0.11.2/fail2ban_0.11.2-1.upstream1_all.deb'
   local FAIL2BAN_DEB_ASC_URL="${FAIL2BAN_DEB_URL}.asc"
   local FAIL2BAN_GPG_FINGERPRINT='8738 559E 26F6 71DF 9E2C  6D9E 683B F1BE BD0A 882C'
   local FAIL2BAN_GPG_PUBLIC_KEY_ID='0x683BF1BEBD0A882C'