RFR: 7765: Bump some Maven plugins [v2]

[Christoph Langer]

On Tue, 12 Apr 2022 18:15:49 GMT, Christoph Langer <clanger at openjdk.org> wrote:

>> Several maven plugins should be updated to a more current version. 
>> 
>> Here's a list with some reasoning:
>> junit 4.13.1 -> 4.13.2 (minor update)
>> maven javadoc 3.2.0 -> 3.3.2 (bugfixes, e.g. support javadoc generation with modular JDKs)
>> mockito 3.7.7 -> 3.12.4 (bugfixes to support newer JDKs, e.g. 17)
>> tycho 2.5.0 -> 2.7.1 (bugfixes, prepare JDK17 support)
>> jetty maven plugin 9.4.43.v20210629 -> 9.4.46.v20220331 (minor updates, only used for p2 server during build)
>> p2-maven-plugin 1.5.0 -> 2.0.0 (prepare JDK 17 support)
>> build-helper-maven-plugin 3.2.0 -> 3.3.0 (minor update)
>> 
>> To support latest tycho, I added a directive to ignore tycho-consumer-pom.xml to .gitignore. These files seem to be generated by the new tycho version.
>> 
>> I also had to make a small adaption to application/org.openjdk.jmc.feature.pde/feature.xml to overcome https://github.com/eclipse/tycho/issues/876
>> 
>> In core/tests/pom.xml I removed the entry for maven.javadoc.version since it is inherited from the parent pom.
>
> Christoph Langer has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Also update build-helper-maven-plugin and update copyright headers

Thanks for the review.

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PR: https://git.openjdk.java.net/jmc/pull/395