clean up: making argument final

[matzew]

Fixes #

Proposed Changes

• as per title: making argument final

Release Note

Docs

[knative-prow]

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This pull-request has been approved by: matzew

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[matzew]

/assign @Cali0707

[codecov]

Codecov Report

Attention: 2 lines in your changes are missing coverage. Please review.

Comparison is base (82960d8) 61.53% compared to head (90a918a) 61.54%.
Report is 1 commits behind head on main.

Files	Patch %	Lines
...roker/dispatcher/main/ConsumerVerticleBuilder.java	0.00%	1 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff            @@
##               main    #3490   +/-   ##
=========================================
  Coverage     61.53%   61.54%           
  Complexity      765      765           
=========================================
  Files           181      181           
  Lines         12414    12414           
  Branches        266      266           
=========================================
+ Hits           7639     7640    +1     
+ Misses         4165     4164    -1     
  Partials        610      610           

Flag	Coverage Δ
java-unittests	70.90% <0.00%> (+0.03%)	⬆️

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[Cali0707]

/lgtm