SQLx

Implement odbc-api database backend #353

Job	Run time
Format	10s
CLI Binaries (ubuntu-latest)	39s
Check (tokio, native-tls)	4m 2s
Check (async-std, rustls)	4m 2s
Check (tokio, rustls)	3m 50s
CLI Binaries (windows-latest)	1m 38s
Unit Test (tokio, rustls)	1m 32s
Check (async-std, native-tls)	3m 48s
MariaDB	0s
SQLite	0s
Postgres with SSL client cert	0s
Postgres	0s
ODBC (PostgreSQL and SQLite)	0s
MySQL	0s
MSSQL	0s
	19m 41s

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