Also pin repos themselves #70

Job	Run time
collect_projects	8s
regressions (Rat-Rig/V-core-3)	45s
regressions (ikrima/gamedevguide)	4m 14s
regressions (nasa-jpl/open-source-rover)	57s
regressions (gledos/ggame)	2m 48s
regressions (tfeldmann/organize)	32s
regressions (seleniumbase/SeleniumBase)	44s
regressions (Noovolari/leapp)	44s
regressions (emacs-lsp/lsp-mode)	58s
regressions (ntno/mkdocs-terminal)	40s
regressions (spaceship-prompt/spaceship-prompt)	1m 11s
regressions (mkdocstrings/mkdocstrings)	44s
regressions (ni/systemlink-operations-handbook)	45s
regressions (e-maxx-eng/e-maxx-eng)	1m 18s
regressions (crystal-lang/crystal-book)	1m 7s
regressions (oprypin/mkdocs-gen-files)	35s
regressions (open-amt-cloud-toolkit/docs)	49s
regressions (librenms/librenms)	1m 4s
regressions (k3d-io/k3d)	1m 0s
regressions (mkdocs/mkdocs)	29s
	21m 32s

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