Bump testcontainers.version from 1.20.5 to 1.20.6

Bumps `testcontainers.version` from 1.20.5 to 1.20.6.

Updates `org.testcontainers:testcontainers` 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:junit-jupiter` 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: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
...

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

Author: dependabot[bot]

pom.xml

@@ -135,7 +135,7 @@
         <jackson.version>2.18.2</jackson.version>
         <jackson.databind.version>2.18.2</jackson.databind.version>
         <storm.kafka.client.version>3.9.0</storm.kafka.client.version>
-        <testcontainers.version>1.20.5</testcontainers.version>
+        <testcontainers.version>1.20.6</testcontainers.version>
 
         <!-- Java and clojure build lifecycle test properties are defined here to avoid having to create a default profile -->
         <java.unit.test.exclude.groups>PerformanceTest</java.unit.test.exclude.groups>