nested-obj update #1055

Job	Run time
parser-tests (pgsql-parser)	1m 3s
parser-tests (plpgsql-parser)	55s
parser-tests (@pgsql/quotes)	1m 12s
parser-tests (pg-proto-parser)	1m 14s
parser-tests (pgsql-deparser)	2m 24s
parser-tests (@pgsql/transform)	6m 5s
parser-tests (plpgsql-deparser)	1m 13s
	14m 6s

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