ci: add JaCoCo code coverage check

[phmz]

PR Checklist

Please check if your PR fulfills the following requirements:

• [x] 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
• [x] 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
• [x] No

[github-actions[bot]]

:zap: Coverage report

Overall Project	84.56%	:green_apple:

There is no coverage information present for the Files changed

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

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

:exclamation: 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

```diff @@ 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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