Update testcontainers-java monorepo to v1.21.3

Author: renovate[bot]

pom.xml

@@ -159,14 +159,14 @@
         <dependency>
             <groupId>org.testcontainers</groupId>
             <artifactId>testcontainers</artifactId>
-            <version>1.21.1</version>
+            <version>1.21.3</version>
             <scope>test</scope>
         </dependency>
 
         <dependency>
             <groupId>org.testcontainers</groupId>
             <artifactId>junit-jupiter</artifactId>
-            <version>1.21.1</version>
+            <version>1.21.3</version>
             <scope>test</scope>
         </dependency>