Log Message:
sysutils/rsyslog: Update to 8.34.0.

- mmkubernetes: new module
- rsyslog script: introduce loadable function modules
- imfile: large refactoring of complete module
- omelasticsearch: add support for CA cert, client cert auth
- omfile-hardening: new contributed module for "omfile hardened
  operations"
- stream/bugfix: memory leak on stream open if filename as already
  generated
- bugfix/omkafka: did not build on platforms without atomic operations
- bugfix/core/ratelimiting: SystemLogRateLimitBurst was limited to 65535
- bugfix imfile: memory leak in readMode 0
- bugfix omfile: some error messages had parameters in wrong order
- bugfix omprog: file handle leak
- bugfix imuxsock: data alignment problems
- bugfix testbench: some test were accidently not executed
- bugfix tcp subsystem: keepalive settings mixed up
- fix some cosmetic issues found by lgtm.com static code analyzer