Investigate usage of DependencyResolver

[laeubi]

Maven 4 has DependencyResolver service:

https://github.com/apache/maven/blob/30dc81227bf9c36d36f8549d22ab4c40bce60e77/api/maven-api-core/src/main/java/org/apache/maven/api/services/DependencyResolver.java

this looks like the place where Tycho should hook in to provide P2 / OSGi declared additional dependencies. Currently not all parts of Maven (plugins) use that service so other options are maybe still required then.