Upgrade to use jcasc test harness

[timja]

JCasc had to create a new dependency that wasn't a tests classifier because maven doesn't allow you to bring dependencies through classifiers.

Upgrading here so that PCT works again,

Tracking:
jenkinsci/bom#164

Note: We'll need a release for PCT please

[jetersen]

@dwnusbaum chance we could get a review/merge only one left blocking jenkinsci/bom#172 😅

[timja]

@dwnusbaum chance we could get a review/merge only one left blocking jenkinsci/bom#172 😅

there's a few more 😉, the pipeline has failFast on the parallel block, each one we fix reveals more failures,

but would be great to get a review / merge / release

[dwnusbaum]

Thanks for the PR! The new artifact pulls in a ton of dependencies, most notably jackson-databind, but we should never use any of those dependencies in this plugin in compile scope so I don't anticipate any conflicts that might require transitive dependencies to be excluded or anything.

[timja]

@dwnusbaum could you merge and release pretty please ❤️

[timja]

or @bitwiseman :)

[dwnusbaum]

@timja My plan is to release this in the next week or so.