SQLx

Implement odbc-api database backend #345

Job	Run time
Unit Test (tokio, rustls)	1m 42s
Check (async-std, native-tls)	3m 39s
CLI Binaries (windows-latest)	1m 43s
Check (tokio, rustls)	3m 58s
CLI Binaries (ubuntu-latest)	44s
Check (tokio, native-tls)	3m 54s
Format	10s
Check (async-std, rustls)	3m 54s
Postgres with SSL client cert	0s
MariaDB	0s
MySQL	0s
Postgres	0s
ODBC (PostgreSQL and SQLite)	0s
SQLite	0s
MSSQL	0s
	19m 44s

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