Fix error with pgvector 0.6.0 and update Postgres from 14 to 16 (#491) #547

Job	Run time
annoy (random-xs-20-angular)	9m 46s
unit-tests	1m 9s
balltree (random-xs-20-angular)	2m 28s
bruteforce (random-xs-20-angular)	2m 24s
ckdtree (random-xs-20-angular)	2m 15s
diskann (random-xs-20-angular)	2m 16s
dolphinnpy (random-xs-20-angular)	6m 33s
elasticsearch (random-xs-20-angular)	4m 54s
elastiknn (random-xs-20-angular)	3m 52s
faiss (random-xs-20-angular)	5m 21s
flann (random-xs-20-angular)	6m 40s
glass (random-xs-20-angular)	2m 9s
hnswlib (random-xs-20-angular)	2m 59s
kdtree (random-xs-20-angular)	2m 53s
luceneknn (random-xs-20-angular)	15m 15s
milvus (random-xs-20-angular)	2m 51s
mrpt (random-xs-20-angular)	2m 34s
nndescent (random-xs-20-angular)	3m 50s
n2 (random-xs-20-angular)	3m 53s
nmslib (random-xs-20-angular)	4m 26s
onng_ngt (random-xs-20-angular)	14m 1s
opensearchknn (random-xs-20-angular)	7m 2s
panng_ngt (random-xs-20-angular)	8m 17s
pg_embedding (random-xs-20-angular)	5m 41s
pgvector (random-xs-20-angular)	4m 38s
pynndescent (random-xs-20-angular)	7m 49s
redisearch (random-xs-20-angular)	3m 58s
qdrant (random-xs-20-angular)	6m 56s
qg_ngt (random-xs-20-angular)	14m 10s
qsg_ngt (random-xs-20-angular)	3m 19s
scann (random-xs-20-angular)	4m 33s
sptag (random-xs-20-angular)	3m 7s
tinyknn (random-xs-20-angular)	3m 2s
vald (random-xs-20-angular)	2m 35s
vearch (random-xs-20-angular)	5m 55s
vespa (random-xs-20-angular)	4m 0s
voyager (random-xs-20-angular)	3m 6s
weaviate (random-xs-20-angular)	4m 36s
pynndescent (random-xs-16-hamming)	7m 0s
datasketch (random-s-jaccard)	3m 36s
pynndescent (random-s-jaccard)	8m 46s
	3h 34m 35s

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