Release Notes, Known Issues and Bug Fixes for OSSM 2.1.2/2.0.9/1.1.18 z stream

Edit  modules/ossm-rn-new-features-1x.adoc and modules/ossm-rn-new-features.adoc

Update component versions (if changed):

• Istio version 
• Envoy version
• Kiali version
• Jaeger version

Add a new heading for the release and the generic CVE language  "This release of Red Hat OpenShift Service Mesh addresses Common Vulnerabilities and Exposures (CVEs) and bug fixes."

Add any new known issues to modules/ossm-rn-known-issues.adoc

Move any fixed issues from that file to modules/ossm-rn-fixed-issues.adoc

Update :ProductVersion: in modules/ossm-document-attributes.adoc

{}Note: remember to include rolling component history.{*}   (See comment from Julie below)

https://docs.google.com/presentation/d/1IRuI_CMcMIgQtjfGG2o1PWugMFv_B_bYCQ0rPUuP40c/edit#slide=id.gb820dbee29_1_49