Added Mattermost 5.33 to version table
What does this MR do?
This MR adds Mattermost 5.33 to the version table that relates to the GitLab 13.11 release. In addition, a warning block as been added at the bottom of the table to instruct Mattermost users to consult the important update nodes that Mattermost publishes for their releases. This will relieve us from the need to replicate any version specific notes for a Mattermost upgrade and directs users to a single source of truth.
Related issues
Closes #6014 (closed)
Checklist
See Definition of done.
For anything in this list which will not be completed, please provide a reason in the MR discussion
Required
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Merge Request Title, and Description are up to date, accurate, and descriptive -
MR targeting the appropriate branch -
MR has a green pipeline on GitLab.com -
Pipeline is green on dev.gitlab.org if the change is touching anything besides documentation or internal cookbooks -
trigger-package
has a green pipeline running against latest commit
Expected (please provide an explanation if not completing)
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Test plan indicating conditions for success has been posted and passes -
Documentation created/updated -
Tests added -
Integration tests added to GitLab QA -
Equivalent MR/issue for the GitLab Chart opened
Edited by Gerard Hickey