Logging Operator 2.7.0

Fluentd

• Grep filter support #275
• Amazon Cloudwatch output plugin Assume Role Support #273
• Fluent output to file and configure sane logrotate #270

SDK

• Add Helm 3 support #281
• Allow annotations in logging-operator helm chart #274

Other

• Documentation
• Bug fixes
  Milestone 2.7.0
  Changes: 2.6.0...2.7.0
  Thanks for all the contributors: @tarokkk @pepov @worr @ahma