SQLx

Implement odbc-api database backend #315

Job	Run time
Check (async-std, native-tls)	55s
Check (tokio, native-tls)	52s
Format	8s
Unit Test (tokio, rustls)	1m 16s
CLI Binaries (ubuntu-latest)	44s
Check (tokio, rustls)	50s
Check (async-std, rustls)	1m 0s
CLI Binaries (windows-latest)	1m 36s
Postgres with SSL client cert	0s
Postgres	0s
SQLite	0s
MySQL	0s
MSSQL	0s
MariaDB	0s
	7m 21s

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