Bump org.testcontainers:kafka from 1.19.7 to 1.20.0

Bumps [org.testcontainers:kafka](https://github.com/testcontainers/testcontainers-java) from 1.19.7 to 1.20.0.
- [Release notes](https://github.com/testcontainers/testcontainers-java/releases)
- [Changelog](https://github.com/testcontainers/testcontainers-java/blob/main/CHANGELOG.md)
- [Commits](testcontainers/testcontainers-java@1.19.7...1.20.0)

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

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

Author: dependabot[bot]

build.gradle

@@ -71,7 +71,7 @@ dependencies {
     }
 
     testImplementation "org.testcontainers:testcontainers:1.19.7"
-    testImplementation "org.testcontainers:kafka:1.19.7"
+    testImplementation "org.testcontainers:kafka:1.20.0"
 }
 
 java {