Bump kafka from 1.10.5 to 1.10.7 (#97)

Bumps [kafka](https://github.com/testcontainers/testcontainers-java) from 1.10.5 to 1.10.7.
- [Release notes](https://github.com/testcontainers/testcontainers-java/releases)
- [Changelog](https://github.com/testcontainers/testcontainers-java/blob/master/CHANGELOG.md)
- [Commits](testcontainers/testcontainers-java@1.10.5...1.10.7)

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

examples/java/build.gradle

@@ -48,7 +48,7 @@ repositories {
 dependencies {
     compileOnly 'org.projectlombok:lombok:1.18.6'
 
-    compile 'org.testcontainers:kafka:1.10.5'
+    compile 'org.testcontainers:kafka:1.10.7'
 
     compile 'org.apache.commons:commons-math3:3.6.1'