Merge pull request #119 from jenkinsci/renovate/testcontainers-java-monorepo

Update testcontainers-java monorepo to v1.20.3

Author: jonesbusy

pom.xml

@@ -20,7 +20,7 @@
     <jenkins.version>2.414.3</jenkins.version>
 
     <!-- Test dependencies version -->
-    <testcontainer.version>1.20.2</testcontainer.version>
+    <testcontainer.version>1.20.3</testcontainer.version>
 
   </properties>