On conflict do nothing for MySql #1889

Job	Run time
Clippy	2m 0s
Build `sea-query`	1m 11s
Build `sea-query-binder` (async-std, rustls)	3m 18s
Build `sea-query-postgres`	1m 29s
Build `sea-query-rusqlite`	47s
Rustfmt	22s
Derive Tests	1m 20s
Unit Test	3m 7s
MariaDB (10.6, sqlx_mysql)	1m 56s
MySQL (8, sqlx_mysql)	2m 2s
MySQL (5.7, sqlx_mysql)	1m 50s
SQLite (rusqlite)	42s
SQLite (sqlx_sqlite)	1m 11s
PostgreSQL (14.4, postgres)	1m 17s
PostgreSQL (14.4, sqlx_postgres)	1m 57s
PostgreSQL (13.7, postgres)	1m 6s
PostgreSQL (13.7, sqlx_postgres)	1m 49s
PostgreSQL (12.11, postgres)	1m 35s
PostgreSQL (12.11, sqlx_postgres)	1m 49s
Any	1m 35s
	32m 23s

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