Bump testcontainers.version from 2.0.3 to 2.0.4 (#310)

Author: dependabot[bot]

pom.xml

@@ -116,7 +116,7 @@
     <picocli.version>4.7.7</picocli.version>
     <postgres.version>42.7.10</postgres.version>
     <slf4j.version>1.7.36</slf4j.version>
-    <testcontainers.version>2.0.3</testcontainers.version>
+    <testcontainers.version>2.0.4</testcontainers.version>
 
     <!-- Plugin versions -->
     <build-helper-maven-plugin.version>3.6.1</build-helper-maven-plugin.version>