HBase Thirdparty repo should have nightly for checking main repo tests on top of SNAPSHOT artifacts

We should have a nightly test that runs if there are changes to

• top level pom
• any of the hbase-shaded-* modules

That test should grab the current HEAD of a configurable branch of the main repo (which defaults to the repo's default branch, currently master) and then attempt a build + tests while setting hbase-thirdparty.version to the in-progress SNAPSHOT build. The test run should exclude the current set of flaky tests.