Remove master term from AckedRequest

[andrross]

Related Issues

Related to #5214

Check List

• Functionality includes testing.
• API changes companion pull request created, if applicable.
• Public documentation issue/PR created, if applicable.

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.
For more information on following Developer Certificate of Origin and signing off your commits, please check here.

[github-actions]

✅ Gradle check result for 55883b7: SUCCESS

[codecov]

Codecov Report

Attention: Patch coverage is 90.00000% with 2 lines in your changes missing coverage. Please review.

Project coverage is 72.37%. Comparing base (b82ed5a) to head (55883b7).
Report is 5 commits behind head on main.

Files with missing lines	Patch %	Lines
...s/upgrade/post/TransportUpgradeSettingsAction.java	0.00%	1 Missing ⚠️
...ster/metadata/MetadataCreateDataStreamService.java	50.00%	1 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##               main   #17249      +/-   ##
============================================
+ Coverage     72.29%   72.37%   +0.07%     
- Complexity    65699    65721      +22     
============================================
  Files          5318     5317       -1     
  Lines        305676   305674       -2     
  Branches      44350    44350              
============================================
+ Hits         220992   221230     +238     
+ Misses        66582    66312     -270     
- Partials      18102    18132      +30     

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.