Switch to nmcp Gradle plugin for publishing to Maven Central

[marcphilipp]

The nmcp plugin has a more narrow use case and therefore fewer dependencies allowing us to simplify management of transitive dependencies.

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Definition of Done

• There are no TODOs left in the code
• Method preconditions are checked and documented in the method's Javadoc
• Coding conventions (e.g. for logging) have been followed
• Change is covered by automated tests including corner cases, errors, and exception handling
• Public API has Javadoc and @API annotations
• Change is documented in the User Guide and Release Notes

[testlens-app]

✅ All tests passed ✅

🏷️ Commit: e0dd180
▶️ Tests: 22888 executed
⚪️ Checks: 17/17 completed

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