chore(deps): update mysql docker tag to v9.3

| datasource | package | from | to  |
| ---------- | ------- | ---- | --- |
| docker     | mysql   | 9.1  | 9.3 |

Author: renovate-bot

embedded-mysql/README.adoc

@@ -18,7 +18,7 @@
 * `embedded.mysql.reuseContainer` `(true|false, default is false)`
 * `embedded.mysql.encoding` `(default is 'utf8mb4')`
 * `embedded.mysql.collation` `(default is 'utf8mb4_unicode_ci')`
-* `embedded.mysql.dockerImage` `(default is 'mysql:9.1')`
+* `embedded.mysql.dockerImage` `(default is 'mysql:9.3')`
 ** Image versions on https://hub.docker.com/_/mysql?tab=tags[dockerhub]
 * `embedded.mysql.waitTimeoutInSeconds` `(default is 60 seconds)`
 * `embedded.mysql.initScriptPath` `(default is null)`

embedded-mysql/src/main/java/com/playtika/testcontainer/mysql/MySQLProperties.java

@@ -32,6 +32,6 @@ public class MySQLProperties extends CommonContainerProperties {
     public String getDefaultDockerImage() {
         // Please don`t remove this comment.
         // renovate: datasource=docker
-        return "mysql:9.1";
+        return "mysql:9.3";
     }
 }