CIS 2.18.0 release

[vklohiya]

Description: 2.18.0 release

Changes Proposed in PR:

• Operator support for openshift 4.16
• Charts version 0.0.32
• CRD schema update
• Release notes update

General Checklist

• [x] Updated Added functionality/ bug fix in release notes
• [x] Added examples for new feature
• [x] Updated the documentation
• [x] Smoke testing completed

CRD Checklist

• [x] Updated required CR schema

[vklohiya]

/azp run

[azure-pipelines[bot]]

Azure Pipelines successfully started running 1 pipeline(s), but failed to run 1 pipeline(s).

[vklohiya]

/azp run

[azure-pipelines[bot]]

Azure Pipelines successfully started running 1 pipeline(s), but failed to run 1 pipeline(s).