Workflow best practices: check that creator identifiers are URIs #1932

Job	Run time
deploy	38s
test (3.8, lint)	38s
test (3.8, lint_docs)	1m 20s
test (3.8, mypy)	43s
test (3.8, unit-quick)	24m 40s
test (3.8, unit-diagnostic-servebasic-gx-dev)	4m 5s
test (3.8, unit-nonredundant-noclientbuild-noshed-gx-2205)	22m 53s
test (3.8, unit-nonredundant-noclientbuild-noshed-gx-231)	24m 10s
test (3.8, unit-nonredundant-noclientbuild-noshed-gx-dev)	26m 3s
test (3.8, unit-nonredundant-noclientbuild-noshed-nogx)	56m 12s
test (3.8, unit-diagnostic-serveclientcmd)	4m 18s
test (3.11, lint)	38s
test (3.11, mypy)	47s
test (3.11, unit-quick)	21m 15s
	3h 8m 20s

Provide feedback