Add missing file to update IC version for release

[haywoodsh]

Proposed changes

Update IC version in deployments/helm-chart-dos-arbitrator/Chart.yaml when running .hack/common-release-prep.sh.
https://github.com/nginxinc/kubernetes-ingress/blob/241e7a39f41218bd65b17331596b5ec1bb2936fb/deployments/helm-chart-dos-arbitrator/Chart.yaml#L6-L10

Checklist

Before creating a PR, run through this checklist and mark each as complete.

• I have read the CONTRIBUTING doc
• I have added tests that prove my fix is effective or that my feature works
• I have checked that all unit tests pass after adding my changes
• I have updated necessary documentation
• I have rebased my branch onto main
• I will ensure my PR is targeting the main branch and pulling from my branch from my own fork

[codecov-commenter]

Codecov Report

Merging #3438 (38e3cd5) into main (be14d5f) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##             main    #3438   +/-   ##
=======================================
  Coverage   51.97%   51.97%           
=======================================
  Files          60       60           
  Lines       16811    16811           
=======================================
  Hits         8737     8737           
  Misses       7777     7777           
  Partials      297      297           

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