[#1244] Prepare releng for 2.10.0 release

[ruspl-afed]

• Update version to 2.10.0 for manifests
• Update public keys

[codecov[bot]]

Codecov Report

Merging #1245 (c56d3a1) into master (02853e0) will not change coverage. The diff coverage is n/a.

:exclamation: Current head c56d3a1 differs from pull request most recent head 46b47ee. Consider uploading reports for the commit 46b47ee to get more accurate results

@@            Coverage Diff            @@
##             master    #1245   +/-   ##
=========================================
  Coverage     33.47%   33.47%           
  Complexity      359      359           
=========================================
  Files          1175     1175           
  Lines         25744    25744           
  Branches       1590     1590           
=========================================
  Hits           8619     8619           
  Misses        16604    16604           
  Partials        521      521           

:mega: We’re building smart automated test selection to slash your CI/CD build times. Learn more