2021-05-13 release announcement draft

Hi,

I have attached the draft for the 2021-05-13 cumulative update release
announcement.

Please review for inaccuracies, typos, or issues that you think should
be highlighted in the announcement that were not included in the list.

Please provide feedback no later than Wednesday, May 12, 2021 AoE[1].

Thanks!

Jonathan

[1] https://en.wikipedia.org/wiki/Anywhere_on_Earth