Many fixes: Fix CI/CD; Output from failed extractors; preserve minor numbers in firmware output names

[zestrada]

This PR has two commits that cleanup the following functionality:

1. If an extractor fails, --loud now gives stdout/stderr from that extractor. I did propagate the verbose parameter throughout. If we want more things, maybe we should just push args around?
2. The extension trimming logic could be double applied, eliding minor version numbers when making output files. The new change should be closer to the original python behavior

And also changes CI/CD to match penguin's current setup.

[zestrada]

I realize scope is creeping here...

[zestrada]

As part of these changes, the test output is now a json representation of the rootfs.tar.gz metadata. Had some issues with ordering and output spacing differing. Figured structured data would help and be decently future-proof.

Since that's a redo of the baselines the .old.json files were generated using the most recent stable image (rehosting/fw2tar:2.0.4).

[zestrada]

Also tested on fw2tar 2.0.1 (what rehosting/penguin) is currently using and against various rehostings. Will test publish workflow next.