RELEASE: Update CHANGELOG

[vparfonov]

What does this PR do?

What issues does this PR fix or reference?

Release Notes

Docs PR

[che-bot]

E2E Happy path tests of Eclipse Che Single User on K8S (minikube v1.1.1) has failed:

• build details
• test report
• logs and configs
• "che-server" docker image: maxura/che-server:14972
• https://github.com/orgs/eclipse/teams/eclipse-che-qa please check this report.
  Use command "crw-ci-test" to rerun the test.

[che-bot]

E2E tests of Eclipse Che Multiuser on OCP has failed:

• Build details
• Test report
• docker image: eclipseche/che-server:14972
  https://github.com/orgs/eclipse/teams/eclipse-che-qa please check this report.
  Use command "ci-test" to rerun the test.