Prepare changelog entries for release

[janniklasrose]

• missing PR links (to be auto-added, proposal in Automatically add PR link to nextchanges fragments during the PR that adds them #6177)
• missing entry

[github-actions]

Waiting for approval

Based on git history, these people are best suited to review:

• @radakam -- recent work in .nextchanges/bundles/
• @denik -- recent work in .nextchanges/bundles/

Eligible reviewers: @andrewnester, @anton-107, @lennartkats-db, @pietern, @renaudhartert-db, @shreyas-goenka, @simonfaltum

_{Suggestions based on git history. See OWNERS for ownership rules.}