Bump version from Snapshot to Release for 2.16.0

[ambushwork]

What does this PR do?

Bump version from Snapshot to Release for 2.16.0

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

All modified and coverable lines are covered by tests ✅

Project coverage is 69.76%. Comparing base (1ce0263) to head (87ed6eb).
Report is 2 commits behind head on release/2.16.0.

Additional details and impacted files

@@                Coverage Diff                 @@
##           release/2.16.0    #2403      +/-   ##
==================================================
- Coverage           69.77%   69.76%   -0.02%     
==================================================
  Files                 763      763              
  Lines               28367    28366       -1     
  Branches             4763     4761       -2     
==================================================
- Hits                19792    19787       -5     
+ Misses               7262     7253       -9     
- Partials             1313     1326      +13     

see 25 files with indirect coverage changes

---- 🚨 Try these New Features:

• Flaky Tests Detection - Detect and resolve failed and flaky tests