Next dev iteration 2.2.0

[0xnm]

What does this PR do?

This PR bumps development version to 2.2.0 after the release of version 2.1.0.

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 #1604 (78d7353) into develop (e79eb19) will increase coverage by 0.10%.
The diff coverage is n/a.

@@             Coverage Diff             @@
##           develop    #1604      +/-   ##
===========================================
+ Coverage    83.69%   83.79%   +0.10%     
===========================================
  Files          451      451              
  Lines        15563    15563              
  Branches      2318     2318              
===========================================
+ Hits         13024    13040      +16     
+ Misses        1922     1912      -10     
+ Partials       617      611       -6     

see 17 files with indirect coverage changes