Log Message:
Update sysutils/rsyslog to 8.29.0.

- imptcp: add experimental parameter "multiline"
- imptcp: framing-related error messages now also indicate remote peer
- imtcp: framing-related error messages now also indicate remote peer
- imptcp: add session statistics conunter
- imtcp: add ability to specify GnuTLS priority string
- impstats: add new ressoure counter "openfiles"
- pmnormalize: new parser module
- core/queue: provide informational messages on thread startup and
  shutdown
- omfwd/udp: improve error reporting, depricate maxerrormessages
  parameter
- core: add parameters debug.file and debug.whitelist
- core/net.c: improve UDP socket creation error messages
- omfwd/udp: add "udp.sendbuf" parameter
- core: make rsyslog internal message rate-limiter configurable
- omelasticsearch bugfixes and changed ES5 API support:
  * avoid 404 during health check
  * avoid ES5 warnings while sending json
  * bugfix for memomry leak while writing error file
- imfile bugfix: wildcard detection issue on path wildcards
- omfwd bugfix: always give reason for suspension
- omfwd bugfix: configured compression level was not properly used
- imptcp bugfix: potential socket leak on session shutdown
- omfwd/omudpspoof bugfix: switch udp client sockets to nonblocking
  mode
- imklog: fix permitnonkernelfacility not working
- impstats bugfix: impstats does not handle HUP
- core bugfix: segfault after configuration errors
- core/queue bugfixes:
  * Fix behaviour of PersistStateInterval
  * potential problem during deserialization
- core bugfix: messsage garbled after message modification
- lmsig_ksi: removed pre-KSI_LS12 components
- testbench bugfix: hang in tests if omstdout is not present