Next dev iteration

[0xnm]

What does this PR do?

This PR bumps dev version to 2.7.0.

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 #1861 (3b83270) into develop (659c865) will decrease coverage by 0.21%.
The diff coverage is n/a.

Additional details and impacted files

@@             Coverage Diff             @@
##           develop    #1861      +/-   ##
===========================================
- Coverage    83.72%   83.51%   -0.21%     
===========================================
  Files          470      470              
  Lines        16629    16606      -23     
  Branches      2499     2497       -2     
===========================================
- Hits         13922    13868      -54     
- Misses        2042     2055      +13     
- Partials       665      683      +18     

see 25 files with indirect coverage changes