Also pin repos themselves #72

Job	Run time
collect_projects	3s
regressions (Rat-Rig/V-core-3)	51s
regressions (ikrima/gamedevguide)	2m 55s
regressions (nasa-jpl/open-source-rover)	39s
regressions (gledos/ggame)	1m 58s
regressions (tfeldmann/organize)	23s
regressions (seleniumbase/SeleniumBase)	36s
regressions (Noovolari/leapp)	39s
regressions (emacs-lsp/lsp-mode)	55s
regressions (ntno/mkdocs-terminal)	29s
regressions (spaceship-prompt/spaceship-prompt)	59s
regressions (mkdocstrings/mkdocstrings)	35s
regressions (ni/systemlink-operations-handbook)	32s
regressions (e-maxx-eng/e-maxx-eng)	1m 32s
regressions (crystal-lang/crystal-book)	1m 5s
regressions (oprypin/mkdocs-gen-files)	29s
regressions (open-amt-cloud-toolkit/docs)	34s
regressions (librenms/librenms)	1m 8s
regressions (k3d-io/k3d)	40s
regressions (mkdocs/mkdocs)	35s
	17m 37s

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