Update to sponsors #1300

Job	Run time
@dataplan/pg tests / build (12, 20.x)	3m 11s
PostGraphile mutation tests (exported as graphql-js) / build (12, 20.x)	9m 50s
PostGraphile mutation tests / build (12, 20.x)	3m 22s
PostGraphile mutation tests (exported as typeDefs) / build (12, 20.x)	7m 33s
PostGraphile polymorphic query tests / build (12, 20.x)	2m 56s
PostGraphile polymorphic query tests (exported as graphql-js) / build (12, 20.x)	7m 20s
PostGraphile polymorphic query tests (exported as typeDefs) / build (12, 20.x)	6m 43s
PostGraphile v4 queries tests / build (12, 20.x)	3m 26s
PostGraphile v4 queries tests (exported as graphql-js) / build (12, 20.x)	16m 53s
PostGraphile schema tests / build (12, 20.x)	6m 49s
PostGraphile v4 queries tests (exported as typeDefs) / build (12, 20.x)	12m 38s
Small package tests / build (12, 20.x)	3m 31s
	1h 24m 12s

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