New koji & phabricator plugins, custom separator

• Produce fixed phabricator statistics
• Address packit warning on the metadata key
• Remove the Travis CI configuration
• Fix pytest invocation
• Move common constants to the top of did.utils
• Add new configuration options for custom separator
• Fix broken phabricator tests
• Fix potentially uninitialized local variable
• Add CodeQL workflow for GitHub code scanning
• Add comment stats on GitHub issues & pull requests
• Add the name-tests-test pre-commit hook
• Add the new phabricator plugin
• Update test data for sentry, gitlab and gerrit
• Update pre-commit configuration, enable flake8
• Allow all plugins to fetch secrets from files
• Update packit config to address recent changes
• Fix typo in the Google plugin docstring
• Speed up local testing, add missing require
• Update google plugin installation instructions
• Koji plugin
• Handle GitHub API rate limit
• Add Github Action for PyPI releases