Revert "Switch r2dbc mysql driver to io.asyncer:r2dbc-mysql (#7043)"

This reverts commit 3a2ba5f.

Author: eddumelendez

modules/mysql/build.gradle

@@ -7,13 +7,13 @@ dependencies {
     api project(':jdbc')
 
     compileOnly project(':r2dbc')
-    compileOnly 'io.asyncer:r2dbc-mysql:0.9.0'
+    compileOnly 'dev.miku:r2dbc-mysql:0.8.2.RELEASE'
 
     testImplementation project(':jdbc-test')
     testImplementation 'mysql:mysql-connector-java:8.0.32'
 
     testImplementation testFixtures(project(':r2dbc'))
-    testImplementation 'io.asyncer:r2dbc-mysql:0.9.0'
+    testImplementation 'dev.miku:r2dbc-mysql:0.8.2.RELEASE'
 
     compileOnly 'org.jetbrains:annotations:24.0.1'
 }

modules/mysql/src/main/java/org/testcontainers/containers/MySQLR2DBCDatabaseContainerProvider.java

@@ -1,7 +1,7 @@
 package org.testcontainers.containers;
 
 import com.google.auto.service.AutoService;
-import io.asyncer.r2dbc.mysql.MySqlConnectionFactoryProvider;
+import dev.miku.r2dbc.mysql.MySqlConnectionFactoryProvider;
 import io.r2dbc.spi.ConnectionFactoryMetadata;
 import io.r2dbc.spi.ConnectionFactoryOptions;
 import org.testcontainers.r2dbc.R2DBCDatabaseContainer;