[Documentation] Update Jakarta/MicroProfile Messaging Slides

[JanWesterkamp-iJUG]

The slides here are a little bit outdated, especially regarding Memberships of the WGs and logos:

https://docs.google.com/presentation/d/1wVaGJssQKPDSRcgRSE52mmm2Lb55THyUc_dGj7F5SAg/edit#slide=id.gbcfab764b6_0_221

A review in a CN4J meeting or email mailing list discussion (minimum) should be done before the release of the new version.

[rstjames]

Moving this into a review/ update @jclingan @aeiras @Emily-Jiang Do we have updates on this?