feat(psl): GA `fullTextSearch` for `mysql`, introduce `nativeFullTextSearchPostgres` for `postgres` #2815

Job	Run time
schema-engine-cli on ubuntu-latest	4m 35s
prisma-fmt on ubuntu-latest	1m 16s
query-engine on ubuntu-latest	5m 34s
query-engine-node-api on ubuntu-latest	4m 54s
schema-engine-cli on windows-latest	12m 19s
prisma-fmt on windows-latest	3m 28s
query-engine on windows-latest	12m 25s
query-engine-node-api on windows-latest	11m 13s
schema-engine-cli on macos-13	12m 47s
prisma-fmt on macos-13	2m 35s
query-engine on macos-13	12m 46s
query-engine-node-api on macos-13	14m 21s
React Native / iOS build for commit d7b925b91d7d43c8b6466a55f820b6e54140716c	7m 29s
React Native / Android build for commit d7b925b91d7d43c8b6466a55f820b6e54140716c	6m 24s
	1h 52m 6s

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