feat(psl): GA `fullTextSearch` for `mysql`, introduce `nativeFullTextSearchPostgres` for `postgres` #2794

Job	Run time
schema-engine-cli on ubuntu-latest	4m 30s
prisma-fmt on ubuntu-latest	1m 7s
query-engine on ubuntu-latest	5m 7s
query-engine-node-api on ubuntu-latest	4m 58s
schema-engine-cli on windows-latest	12m 9s
prisma-fmt on windows-latest	3m 57s
query-engine on windows-latest	12m 58s
query-engine-node-api on windows-latest	12m 26s
schema-engine-cli on macos-13	7m 49s
prisma-fmt on macos-13	2m 48s
query-engine on macos-13	13m 17s
query-engine-node-api on macos-13	7m 54s
React Native / Android build for commit 1aac4ecb270269df3360071c05648c9d302ce716	6m 7s
React Native / iOS build for commit 1aac4ecb270269df3360071c05648c9d302ce716	6m 39s
	1h 41m 46s

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