Add workflow_dispatch to Java build workflow.

[artursouza]

Description

Add workflow_dispatch to Java build workflow. This is required for automation on GitHub.

Issue reference

We strive to have all PR being opened based on an issue, where the problem or feature have been discussed prior to implementation.

Please reference the issue this PR will close: N/A

Checklist

Please make sure you've completed the relevant tasks for this PR, out of the following list:

• Code compiles correctly
• Created/updated tests
• Extended the documentation

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 77.61%. Comparing base (35dd039) to head (6c297cd).
Report is 13 commits behind head on master.

❗ Current head 6c297cd differs from pull request most recent head bfc1533. Consider uploading reports for the commit bfc1533 to get more accurate results

Additional details and impacted files

@@            Coverage Diff            @@
##             master    #1022   +/-   ##
=========================================
  Coverage     77.60%   77.61%           
- Complexity     1569     1571    +2     
=========================================
  Files           144      144           
  Lines          4765     4767    +2     
  Branches        554      554           
=========================================
+ Hits           3698     3700    +2     
  Misses          781      781           
  Partials        286      286           

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