[enterprise-4.16] OSSM-4104: Service Mesh 2.5 Release Notes (2.5 Release)

[openshift-cherrypick-robot]

This is an automated cherry-pick of #68434

/assign jab-rh

[openshift-ci-robot]

@openshift-cherrypick-robot: Ignoring requests to cherry-pick non-bug issues: OSSM-4104

In response to this:

This is an automated cherry-pick of #68434

/assign jab-rh

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the openshift-eng/jira-lifecycle-plugin repository.

[ocpdocs-previewbot]

🤖 Mon Mar 18 14:03:53 - Prow CI generated the docs preview:
https://73306--ocpdocs-pr.netlify.app

[openshift-ci]

@openshift-cherrypick-robot: all tests passed!

Full PR test history. Your PR dashboard.

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes/test-infra repository. I understand the commands that are listed here.