SQLx

Implement odbc-api database backend #329

Job	Run time
Check (async-std, rustls)	1m 2s
Check (tokio, native-tls)	58s
Check (tokio, rustls)	55s
Format	10s
Check (async-std, native-tls)	48s
Unit Test (tokio, rustls)	1m 15s
CLI Binaries (ubuntu-latest)	44s
CLI Binaries (windows-latest)	1m 29s
MySQL	-1s
Postgres	-1s
Postgres with SSL client cert	-1s
SQLite	-1s
MariaDB	-1s
MSSQL	-1s
ODBC (SQLite ODBC)	-1s
	7m 14s

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