polarion template option; git clone credential and rewrite; rendering traceback

Highlights

• Allow injecting credentials for git clone
• Rewrite url in git_clone
• Add support for rendering error tracebacks
• ReST export plugin should accept --template option
• Add template option to polarion report
• Refine examples of plans > discover > fmf

Full Changelog

• Do not throw an exception on missing mrack.log
• Allow injecting credentials for git clone
• Exception in web_link() when node root is missing
• Rewrite url in git_clone
• Add support for rendering error tracebacks
• ReST export plugin should accept --template option
• Add role to the Beaker provision plugin schema
• Fix test checking custom destination for libraries
• Create plans to cover individual step features
• Add cache_property for things that are generated but not often
• Simplify public git conversion with a declarative list
• Spec-based container becomes generic over input/output specs
• Clean up logging in tmt.utils.create_directory()
• Move test framework code into distinct framework classes
• Add template option to polarion report
• Group discover/fmf options, improve wording a bit
• Record tmt command line in tmt log
• Add note about dynamic ref to the plan import spec
• Use the Deprecated class for deprecated options
• Remove python3-mrack-beaker from BuildRequires
• Switch discover/fmf to our field() implementation
• Lock the click version < 8.1.4
• Refine examples of plans > discover > fmf
• Override packit actions for propose_downstream