Bump org.testcontainers:testcontainers from 1.20.3 to 1.20.4

Bumps [org.testcontainers:testcontainers](https://github.com/testcontainers/testcontainers-java) from 1.20.3 to 1.20.4.
- [Release notes](https://github.com/testcontainers/testcontainers-java/releases)
- [Changelog](https://github.com/testcontainers/testcontainers-java/blob/main/CHANGELOG.md)
- [Commits](testcontainers/testcontainers-java@1.20.3...1.20.4)

---
updated-dependencies:
- dependency-name: org.testcontainers:testcontainers
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

pom.xml

@@ -25,7 +25,7 @@
 
     <hpi.compatibleSinceVersion>1.29.0-9</hpi.compatibleSinceVersion>
 
-    <testcontainers.version>1.20.3</testcontainers.version>
+    <testcontainers.version>1.20.4</testcontainers.version>
     <jsoup.version>1.18.1</jsoup.version>
   </properties>