Update to 4.1.1

This is a bug-fix only release, with fixes to the LDAP and MySQL
backends, the pdnsutil tool, and PDNS internals. Enable the MySQL
backend by default.

Bug Fixes

• Backport: forbid label compression in alias wire format
• Include unistd.h for chroot(2) et al. (Florian Obser)
• Auth: fix out of bounds exception in caa processing, fixes #6089
• Add the missing include to mplexer.hh for struct timeval
• Auth: init openssl and libsodium before chrooting in pdnsutil
• Auth: always bind the results array after executing a mysql statement
• Ldap: fix getdomaininfo() to set this as di.backend (Grégory Oestreicher)
• Ldapbackend: fix listing zones incl. axfr (Chris Hofstaedtler)
• Ixfr: correct behavior of dealing with dns name with multiple records (Leon Xu)

PR: 226040
Submitted by: maintainer