Update go-sql-driver pkg to support `checkConnLiveness` (#9766)

Fixes #9679

go.mod

@@ -33,7 +33,7 @@ require (
 	github.com/fatih/structs v1.1.0
 	github.com/ghodss/yaml v1.0.1-0.20190212211648-25d852aebe32 // indirect
 	github.com/go-ole/go-ole v1.2.4 // indirect
-	github.com/go-sql-driver/mysql v1.4.1
+	github.com/go-sql-driver/mysql v1.5.0
 	github.com/gogo/protobuf v1.2.1 // indirect
 	github.com/golang/groupcache v0.0.0-20190702054246-869f871628b6 // indirect
 	github.com/gomodule/redigo v2.0.0+incompatible

go.sum

@@ -110,6 +110,8 @@ github.com/go-ole/go-ole v1.2.4 h1:nNBDSCOigTSiarFpYE9J/KtEA1IOW4CNeqT9TQDqCxI=
 github.com/go-ole/go-ole v1.2.4/go.mod h1:XCwSNxSkXRo4vlyPy93sltvi/qJq0jqQhjqQNIwKuxM=
 github.com/go-sql-driver/mysql v1.4.1 h1:g24URVg0OFbNUTx9qqY1IRZ9D9z3iPyi5zKhQZpNwpA=
 github.com/go-sql-driver/mysql v1.4.1/go.mod h1:zAC/RDZ24gD3HViQzih4MyKcchzm+sOG5ZlKdlhCg5w=
+github.com/go-sql-driver/mysql v1.5.0 h1:ozyZYNQW3x3HtqT1jira07DN2PArx2v7/mN66gGcHOs=
+github.com/go-sql-driver/mysql v1.5.0/go.mod h1:DCzpHaOWr8IXmIStZouvnhqoel9Qv2LBy8hT2VhHyBg=
 github.com/go-stack/stack v1.8.0/go.mod h1:v0f6uXyyMGvRgIKkXu+yp6POWl0qKG85gN/melR3HDY=
 github.com/go-test/deep v1.0.2-0.20181118220953-042da051cf31/go.mod h1:wGDj63lr65AM2AQyKZd/NYHGb0R+1RLqB8NKt3aSFNA=
 github.com/gogo/protobuf v1.1.1/go.mod h1:r8qH/GZQm5c6nD/R0oafs1akxWv10x8SbQlK7atdtwQ=

pkg/event/target/mysql.go

@@ -364,6 +364,7 @@ func NewMySQLTarget(id string, args MySQLArgs, doneCh <-chan struct{}, loggerOnc
 			Addr:                 args.Host.String() + ":" + args.Port,
 			DBName:               args.Database,
 			AllowNativePasswords: true,
+			CheckConnLiveness:    true,
 		}
 
 		args.DSN = config.FormatDSN()