upgraded testcontainer

Author: arcuri82

jdk_11_maven/em/pom.xml

@@ -90,7 +90,7 @@
             <dependency>
                 <groupId>org.testcontainers</groupId>
                 <artifactId>testcontainers</artifactId>
-                <version>1.15.2</version>
+                <version>1.21.3</version>
                 <scope>test</scope>
             </dependency>
             <dependency>