SQLx

Discover sql server named instance ports #437

Job	Run time
Format	8s
Check (tokio, native-tls)	58s
Check (async-std, native-tls)	59s
CLI Binaries (ubuntu-latest)	2m 31s
Check (tokio, rustls)	48s
Unit Test windows-latest	1m 46s
Unit Test ubuntu-latest	1m 42s
Check (async-std, rustls)	1m 2s
CLI Binaries (windows-latest)	3m 28s
Postgres	0s
SQLite	0s
ODBC (PostgreSQL and SQLite)	0s
MySQL	0s
Postgres with SSL client cert	0s
MSSQL	0s
MariaDB	0s
	13m 22s

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