chore(deps): update mysql docker tag to v26

| datasource | package | from | to   |
| ---------- | ------- | ---- | ---- |
| docker     | mysql   | 9.7  | 26.7 |

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:9.7')`
+* `embedded.mysql.dockerImage` `(default is 'mysql:26.7')`
 ** 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:9.7";
+        return "mysql:26.7";
     }
 }