1. Update release notes for nitrogen release and provide a gerrit patch

[0]

   2. If you have not provided M5 milestone status, confirm there are no CLM violations of concern

[1] None that will be fixed this release.

   3. Confirm that you have tested RC3 or later and find no blocking issues/concerns

No blocking bugs.

   4. If there are CSIT failures pertaining to your project [2], review and check them off indicating there are no blocking issues.

Done.