Repository navigation

Reject `owner/repo` in `--repo`, deprecate `--pending-head` #568

Job	Run time
inspect	8s
dependency-review-gate	2s
python-sfw-smoke-free	0s
fixture-npm-sfw-smoke-enterprise	-1s
fixture-npm-sfw-smoke-free	-1s
workflow-notice	-1s
dockerfile-smoke (${{ matrix.arch }})	-1s
fixture-pypi-sfw-smoke-enterprise	-1s
fixture-pypi-sfw-smoke-free	-1s
python-sfw-smoke-enterprise	-1s
	3s