Bump lib.testcontainers.version from 1.20.5 to 1.20.6

Bumps `lib.testcontainers.version` from 1.20.5 to 1.20.6.

Updates `org.testcontainers:kafka` from 1.20.5 to 1.20.6
- [Release notes](https://github.com/testcontainers/testcontainers-java/releases)
- [Changelog](https://github.com/testcontainers/testcontainers-java/blob/main/CHANGELOG.md)
- [Commits](testcontainers/testcontainers-java@1.20.5...1.20.6)

Updates `org.testcontainers:postgresql` from 1.20.5 to 1.20.6
- [Release notes](https://github.com/testcontainers/testcontainers-java/releases)
- [Changelog](https://github.com/testcontainers/testcontainers-java/blob/main/CHANGELOG.md)
- [Commits](testcontainers/testcontainers-java@1.20.5...1.20.6)

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

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

Author: dependabot[bot]

pom.xml

@@ -114,7 +114,7 @@
         <lib.parallel-consumer.version>0.5.3.2</lib.parallel-consumer.version>
         <lib.pebble.version>3.2.2</lib.pebble.version>
         <lib.protobuf-java.version>4.29.3</lib.protobuf-java.version>
-        <lib.testcontainers.version>1.20.5</lib.testcontainers.version>
+        <lib.testcontainers.version>1.20.6</lib.testcontainers.version>
         <lib.resilience4j.version>2.2.0</lib.resilience4j.version>
         <!--
             Downgraded from 2.2.26 due to incompatibilities with newer jackson-databind versions.