Bump testContainersVersion from 1.20.4 to 1.20.5

Bumps `testContainersVersion` from 1.20.4 to 1.20.5.

Updates `org.testcontainers:testcontainers` from 1.20.4 to 1.20.5
- [Release notes](https://github.com/testcontainers/testcontainers-java/releases)
- [Changelog](https://github.com/testcontainers/testcontainers-java/blob/main/CHANGELOG.md)
- [Commits](testcontainers/testcontainers-java@1.20.4...1.20.5)

Updates `org.testcontainers:kafka` from 1.20.4 to 1.20.5
- [Release notes](https://github.com/testcontainers/testcontainers-java/releases)
- [Changelog](https://github.com/testcontainers/testcontainers-java/blob/main/CHANGELOG.md)
- [Commits](testcontainers/testcontainers-java@1.20.4...1.20.5)

---
updated-dependencies:
- dependency-name: org.testcontainers:testcontainers
  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] <support@github.com>

kafka-test/build.gradle.kts

@@ -1,5 +1,5 @@
 val kafkaClientsVersion = "3.9.0"
-val testcontainersVersion = "1.20.4"
+val testcontainersVersion = "1.20.5"
 val kotlinxCoroutinesVersion = "1.10.1"
 dependencies {
     implementation(project(":logging"))