Feature/pdct 1402 validate collection exists before creating family #701

Job	Run time
manual-semver	0s
check-auto-tagging-will-work / check-auto-tagging-will-work	4s
test	17m 29s
code-quality / python	52s
build	51s
tag / determine-next	0s
tag / semver	0s
tag / git	0s
release	0s
	19m 16s

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