Advance RFC #1009 `"Move the deprecation workflow library to be installed in apps by default"` to Stage Released #1560

Job	Run time
Does PR add RFCs?	6s
Frontmatter stage must be 'accepted' before merging	0s
Only one RFC can be added in a PR	0s
Filename matches RFC number	0s
Stage must be 'Exploring' (via label) for new RFC before merging	0s
Verify Accepted PR URL is correct	-1s
RFC must be in only one stage before merging (labels)	-1s
	4s

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