Bump org.yaml:snakeyaml in /data-prepper-plugins/kafka-plugins

Bumps [org.yaml:snakeyaml](https://bitbucket.org/snakeyaml/snakeyaml) from 2.0 to 2.2.
- [Commits](https://bitbucket.org/snakeyaml/snakeyaml/branches/compare/snakeyaml-2.2..snakeyaml-2.0)

---
updated-dependencies:
- dependency-name: org.yaml:snakeyaml
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

data-prepper-plugins/kafka-plugins/build.gradle

@@ -41,7 +41,7 @@ dependencies {
     implementation 'software.amazon.awssdk:apache-client'
 
     testImplementation 'org.mockito:mockito-inline:4.1.0'
-    testImplementation 'org.yaml:snakeyaml:2.0'
+    testImplementation 'org.yaml:snakeyaml:2.2'
     testImplementation testLibs.spring.test
     testImplementation 'com.fasterxml.jackson.datatype:jackson-datatype-jsr310:2.15.2'
     testImplementation project(':data-prepper-test-common')