GitLab

Changes:
1. fluentd: add sub charts fluentd-linux and fluentd-:windows
2. log-aggregator: remove useless service account
3. log-aggregator: add sub charts log-aggregator-linux and
log-aggregator-windows

Problem:
current elasticsearch gems has warning log for elasticsearch 7.x, rancher/fluentd have release new version

Solution:
upgrade fluentd, elasticsearch etc gems version

Issue:
https://github.com/rancher/rancher/issues/20450
https://github.com/rancher/rancher/issues/20509

Problem:
update configure reloader to mirrored rancher image, logging configure
secret has precan and generted data
Solution:
update configure reloader image, separate configure secret into two
secrets

Issue:
https://github.com/rancher/rancher/issues/19836

Problem:
we want to use catalog to deploy system tools

Solution:
add logging chart