add missing changes to changelog for 0.39.0

[merobi-hub]

Problem

The changelog is incomplete.

Solution

This updates the changelog in advance of 0.39.0.

Note: All database schema changes require discussion. Please link the issue for context.

One-line summary:

Checklist

• You've signed-off your work
• Your changes are accompanied by tests (if relevant)
• Your change contains a small diff and is self-contained
• You've updated any relevant documentation (if relevant)
• You've included a one-line summary of your change for the CHANGELOG.md (Depending on the change, this may not be necessary).
• You've versioned your .sql database schema migration according to Flyway's naming convention (if relevant)
• You've included a header in any source code files (if relevant)

[codecov]

Codecov Report

Merging #2574 (94abfe2) into main (f8a4ecd) will not change coverage.
The diff coverage is n/a.

@@            Coverage Diff            @@
##               main    #2574   +/-   ##
=========================================
  Coverage     83.26%   83.26%           
  Complexity     1286     1286           
=========================================
  Files           243      243           
  Lines          5934     5934           
  Branches        279      279           
=========================================
  Hits           4941     4941           
  Misses          846      846           
  Partials        147      147           

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[phixMe]

Thanks @merobi-hub