Prepare for next development 2.9.2

[JohnNiang]

What type of PR is this?

/kind cleanup
/area core

What this PR does / why we need it:

Bump Halo version to 2.9.2-SNAPSHOT.

Does this PR introduce a user-facing change?

None

[ruibaby]

/lgtm

[f2c-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: ruibaby

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• OWNERS [ruibaby]

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[codecov]

Codecov Report

Merging #4649 (b4c2352) into release-2.9 (12d25a4) will increase coverage by 0.00%.
Report is 1 commits behind head on release-2.9.
The diff coverage is n/a.

@@              Coverage Diff               @@
##             release-2.9    #4649   +/-   ##
==============================================
  Coverage          61.11%   61.11%           
- Complexity          2566     2567    +1     
==============================================
  Files                373      373           
  Lines              13156    13158    +2     
  Branches             937      938    +1     
==============================================
+ Hits                8040     8042    +2     
  Misses              4663     4663           
  Partials             453      453           

see 1 file with indirect coverage changes