* compress post processor: add bzip2 + tests
* post-processor/compress/post-processor_test.go: refactor tests and add tests for bzip2
* post-processor_test.go: test write/read for all compression algos
* check artifact.Destroy() errors
* close archive before deleting it
Co-authored-by: Adrien Delorme <azr@users.noreply.github.com>
Daniel Finneran