Bump mysql from 1.15.1 to 1.15.2

Bumps [mysql](https://github.com/testcontainers/testcontainers-java) from 1.15.1 to 1.15.2.
- [Release notes](https://github.com/testcontainers/testcontainers-java/releases)
- [Changelog](https://github.com/testcontainers/testcontainers-java/blob/master/CHANGELOG.md)
- [Commits](testcontainers/testcontainers-java@1.15.1...1.15.2)

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

pom.xml

@@ -276,7 +276,7 @@
     <dependency>
       <groupId>org.testcontainers</groupId>
       <artifactId>mysql</artifactId>
-      <version>1.15.1</version>
+      <version>1.15.2</version>
       <scope>test</scope>
     </dependency>
     <!-- For javadoc link -->