Bump org.testcontainers:kafka from 1.17.6 to 1.18.0 (#1537)

Bumps [org.testcontainers:kafka](https://github.com/testcontainers/testcontainers-java) from 1.17.6 to 1.18.0.
- [Release notes](https://github.com/testcontainers/testcontainers-java/releases)
- [Changelog](https://github.com/testcontainers/testcontainers-java/blob/main/CHANGELOG.md)
- [Commits](testcontainers/testcontainers-java@1.17.6...1.18.0)

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

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Author: dependabot[bot]

_includes/tutorials/produce-consume-lang/scala/code/build.gradle

@@ -36,7 +36,7 @@ allprojects {
         implementation "io.confluent:kafka-streams-avro-serde:7.3.0"
         implementation "com.sksamuel.avro4s:avro4s-core_2.13:4.1.1"
         testImplementation "org.scalatest:scalatest_2.13:3.3.0-SNAP3"
-        testImplementation "org.testcontainers:kafka:1.17.6"
+        testImplementation "org.testcontainers:kafka:1.18.0"
 
         // presentation boiler plate
         implementation "com.lihaoyi:cask_2.13:0.8.0"

_includes/tutorials/transforming/kafka/code/build.gradle

@@ -33,7 +33,7 @@ dependencies {
   implementation 'org.slf4j:slf4j-simple:2.0.7'
   implementation 'io.confluent:kafka-streams-avro-serde:7.3.0'
   testImplementation 'junit:junit:4.13.2'
-  testImplementation "org.testcontainers:kafka:1.17.6"
+  testImplementation "org.testcontainers:kafka:1.18.0"
 }
 
 test {