Update testcontainers-java monorepo to v1.20.4

Author: renovate[bot]

pom.xml

@@ -20,7 +20,7 @@
     <jenkins.version>2.414.3</jenkins.version>
 
     <!-- Test dependencies version -->
-    <testcontainer.version>1.20.3</testcontainer.version>
+    <testcontainer.version>1.20.4</testcontainer.version>
 
   </properties>