Prepare release 2.6.1

[0xnm]

What does this PR do?

This PR prepares release 2.6.1.

Review checklist (to be filled by reviewers)

• Feature or bugfix MUST have appropriate tests (unit, integration, e2e)
• Make sure you discussed the feature or bugfix with the maintaining team in an Issue
• Make sure each commit and the PR mention the Issue number (cf the CONTRIBUTING doc)

[codecov-commenter]

Codecov Report

Merging #1867 (d78beb0) into release/2.6.0 (47bf033) will decrease coverage by 0.01%.
The diff coverage is n/a.

Additional details and impacted files

@@                Coverage Diff                @@
##           release/2.6.0    #1867      +/-   ##
=================================================
- Coverage          83.49%   83.48%   -0.01%     
=================================================
  Files                470      470              
  Lines              16596    16613      +17     
  Branches            2498     2498              
=================================================
+ Hits               13856    13869      +13     
+ Misses              2065     2061       -4     
- Partials             675      683       +8     

see 32 files with indirect coverage changes