[JUnit Platform Engine] Support naming examples

[maestro-game]

Hi, this closes #2743. changes:

• new param cucumber.junit-platform.naming-strategy.short.example-name for example naming in case of short naming strategy
• new param cucumber.junit-platform.naming-strategy.long.example-name for example naming in case of long naming strategy
• tests for the above

Comments and advice are welcome!

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• [x] I've changed the behaviour of the code
  • [x] I have added/updated tests to cover my changes.
• [x] My change requires a change to the documentation.
  • [x] I have updated the documentation accordingly.
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  • [x] I have added an entry to the "Unreleased" section of the CHANGELOG, linking to this pull request.

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 95.00000% with 2 lines in your changes are missing coverage. Please review.

Project coverage is 84.81%. Comparing base (cf80f51) to head (8072ab7). Report is 1 commits behind head on main.

Files	Patch %	Lines
...platform/engine/DefaultNamingStrategyProvider.java	94.44%	1 Missing and 1 partial :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #2860 +/- ## ============================================ + Coverage 84.80% 84.81% +0.01% - Complexity 2716 2728 +12 ============================================ Files 331 331 Lines 9404 9426 +22 Branches 902 902 ============================================ + Hits 7975 7995 +20 - Misses 1108 1109 +1 - Partials 321 322 +1 ```

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[mpkorstanje]

Cheers! I'll try and have a look at this tomorrow.

[maestro-game]

Hi and thanks for comments! Really helped me come up with a better solution. Are there any possible improvements for current version?

[maestro-game]

Hi again. I think I got your idea! Tried to implement it. Also fixed the code formatting. Still open for advices)

[aslakhellesoy]

Hi @maestro-game,

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