Support create/drop index with uppercase names #1891

Job	Run time
test (pg: 14.8, schema: public)	42s
dead code check	10s
test (pg: 14.8, schema: non_public)	43s
test (pg: 15.3, schema: public)	48s
test (pg: 15.3, schema: non_public)	46s
test (pg: 16.0, schema: public)	45s
test (pg: 16.0, schema: non_public)	42s
lint	18s
test (pg: latest, schema: public)	48s
license check	4s
test (pg: latest, schema: non_public)	45s
type generation	6s
examples (pg: 14.8, schema: public)	49s
examples (pg: 14.8, schema: non_public)	52s
validate examples JSON	16s
examples (pg: 15.3, schema: public)	47s
examples (pg: 15.3, schema: non_public)	48s
examples (pg: 16.0, schema: public)	44s
examples (pg: 16.0, schema: non_public)	49s
examples (pg: latest, schema: public)	44s
examples (pg: latest, schema: non_public)	43s
release	0s
	13m 9s

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