build(deps): bump testcontainer.version from 1.20.2 to 1.20.4

Bumps `testcontainer.version` from 1.20.2 to 1.20.4.

Updates `org.testcontainers:testcontainers` from 1.20.2 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@1.20.2...1.20.4)

Updates `org.testcontainers:junit-jupiter` from 1.20.2 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@1.20.2...1.20.4)

Updates `org.testcontainers:kafka` from 1.20.2 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@1.20.2...1.20.4)

---
updated-dependencies:
- dependency-name: org.testcontainers:testcontainers
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: org.testcontainers:junit-jupiter
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: org.testcontainers:kafka
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

pom.xml

@@ -113,7 +113,7 @@
         <!-- Tests -->
         <junit.version>5.10.0</junit.version>
         <junit-bom.version>5.10.2</junit-bom.version>
-        <testcontainer.version>1.20.2</testcontainer.version>
+        <testcontainer.version>1.20.4</testcontainer.version>
         <!-- Dependencies -->
         <kafka.version>3.7.0</kafka.version>
         <picocli.version>4.7.6</picocli.version>