ci: add JaCoCo code coverage check

[phmz]

PR Checklist

Please check if your PR fulfills the following requirements:

• The commit message follows our guidelines: https://github.com/sipios/spring-search//blob/main/CONTRIBUTING.md##Commit-messages
• Tests for the changes have been added (for bug fixes / features)
• Docs have been added / updated (for bug fixes / features)

PR Type

What kind of change does this PR introduce?

• Bugfix
• Feature
• Code style update (formatting, local variables)
• Refactoring (no functional changes, no api changes)
• Build related changes
• CI related changes
• Documentation content changes
• Other... Please describe:

What is the new behavior?

Run the coverage via github actions

Does this PR introduce a breaking change?

• Yes
• No

[github-actions]

⚡ Coverage report

Overall Project	84.56%	🍏

There is no coverage information present for the Files changed

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 83.00%. Comparing base (6473127) to head (912614d).

❗ Current head 912614d differs from pull request most recent head db81374

Please upload reports for the commit db81374 to get more accurate results.

Additional details and impacted files

@@            Coverage Diff            @@
##             master     #102   +/-   ##
=========================================
  Coverage     83.00%   83.00%           
  Complexity      123      123           
=========================================
  Files            22       22           
  Lines           306      306           
  Branches         43       43           
=========================================
  Hits            254      254           
  Misses           28       28           
  Partials         24       24           

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