Bump com.github.imflog.kafka-schema-registry-gradle-plugin

Bumps com.github.imflog.kafka-schema-registry-gradle-plugin from 1.9.1 to 1.12.0.

---
updated-dependencies:
- dependency-name: com.github.imflog.kafka-schema-registry-gradle-plugin
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

_includes/tutorials/multiple-event-types/kafka/code/build.gradle

@@ -21,7 +21,7 @@ plugins {
     id "com.google.cloud.tools.jib" version "3.3.1"
     id "idea"
     id "eclipse"
-    id "com.github.imflog.kafka-schema-registry-gradle-plugin" version "1.9.1"
+    id "com.github.imflog.kafka-schema-registry-gradle-plugin" version "1.12.0"
     id "com.google.protobuf" version "0.9.2"
     id "com.github.davidmc24.gradle.plugin.avro" version "1.7.0"
 }