Draft: Prepare 17.1.1-ee release

Release issue: #32

Summary

This MR prepares 17-1-stable-ee for 17.1.1-ee.

Automated cherry-picking

Merge requests labeled Pick into 17.1 should be automatically picked into this MR using the following ChatOps command:

# In Slack
/chatops run release merge 17.1.1

Manual intervention

If merge requests cannot be picked automatically they have to be created manually targeting 17-1-stable-ee.

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See also Patch Releases documentation.