Bump the dependencies group with 3 updates (#56)

Bumps the dependencies group with 3 updates: [io.confluent:kafka-avro-serializer](https://github.com/confluentinc/schema-registry), org.apache.avro:avro and [org.testcontainers:junit-jupiter](https://github.com/testcontainers/testcontainers-java).


Updates `io.confluent:kafka-avro-serializer` from 7.6.2 to 7.7.0
- [Commits](confluentinc/schema-registry@v7.6.2...v7.7.0)

Updates `org.apache.avro:avro` from 1.11.3 to 1.12.0

Updates `org.testcontainers:junit-jupiter` from 1.20.0 to 1.20.1
- [Release notes](https://github.com/testcontainers/testcontainers-java/releases)
- [Changelog](https://github.com/testcontainers/testcontainers-java/blob/main/CHANGELOG.md)
- [Commits](testcontainers/testcontainers-java@1.20.0...1.20.1)

---
updated-dependencies:
- dependency-name: io.confluent:kafka-avro-serializer
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: dependencies
- dependency-name: org.apache.avro:avro
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: dependencies
- dependency-name: org.testcontainers:junit-jupiter
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: dependencies
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

build.gradle.kts

@@ -38,11 +38,11 @@ subprojects {
     implementation("org.springframework.boot:spring-boot-starter-webflux")
     implementation("org.springframework.cloud:spring-cloud-starter-stream-kafka")
 
-    implementation("io.confluent:kafka-avro-serializer:7.6.2")
-    implementation("org.apache.avro:avro:1.11.3")
+    implementation("io.confluent:kafka-avro-serializer:7.7.0")
+    implementation("org.apache.avro:avro:1.12.0")
 
     testImplementation("org.springframework.boot:spring-boot-starter-test")
-    testImplementation("org.testcontainers:junit-jupiter:1.20.0")
+    testImplementation("org.testcontainers:junit-jupiter:1.20.1")
   }
 
   dependencyManagement {