Log Message:
Update sysutils/rsyslog* to 8.28.0

- omfwd: add parameter "tcp_frameDelimiter"
- omkafka: large refactor of kafka subsystem
- imfile: improved handling of atomically renamed file (w/ wildcards)
- imfile: add capability to truncate oversize messages or split into
  multiple
- mmdblookup
  * upgraded from "contrib" to "fully supported" state
  * refactored and simplified code
  * added ability to specify custom names for extracted fields
  * bugfix: fixed multiple memory leaks
- imptcp: add new parameter "flowControl"
- imrelp: add "maxDataSize" config parameter
- multiple modules: gtls: improve error if certificate file can't be
  opened
- omsnare: allow different tab escapes
- omelasticsearch: converted to use libfastjson instead of json-c
- imjournal: _PID fallback
- multiple modules: add better error messages when regcomp is failing
- omhiredis: fix build warnings
- imfile bugfix: files mv-ed in into directory were not handled
- omprog bugfix: execve() incorrectly called
- imfile bugfix: multiline timeout did not work if state file exists
- lmsig_ksi-ls12 bugfix: build problems on some platforms
- core bugfix: invalid object type assertion
- regression fix: local hostname was not always detected properly on
  early start (w/o network).
- bugfix: format security issues in zmq3 modules
- bugfix build system: add libksi only to those binaries that need it
- bugfix KSI ls12 components: invalid tree height calculation
- testbench/CI enhancements