fix: mysql container image version (#395)

this fixes the integration tests failure due to incompatibility with the latest mysql version

Author: joyc-bq

tests/integration/host/src/test/java/integration/host/util/ContainerHelper.java

@@ -47,7 +47,7 @@
 
 public class ContainerHelper {
 
-  private static final String MYSQL_CONTAINER_IMAGE_NAME = "mysql:latest";
+  private static final String MYSQL_CONTAINER_IMAGE_NAME = "mysql:8.0.36";
   private static final String POSTGRES_CONTAINER_IMAGE_NAME = "postgres:latest";
   private static final DockerImageName TOXIPROXY_IMAGE =
       DockerImageName.parse("shopify/toxiproxy:2.1.4");