Merge remote-tracking branch 'origin/dependabot/gradle/core/org.mongodb-mongo-java-driver-3.12.9' into combined-pr-branch

Author: rnorth

core/build.gradle

@@ -140,7 +140,7 @@ dependencies {
     testImplementation 'org.apache.httpcomponents:httpclient:4.5.9'
     testImplementation 'redis.clients:jedis:3.6.3'
     testImplementation 'com.rabbitmq:amqp-client:5.12.0'
-    testImplementation 'org.mongodb:mongo-java-driver:3.12.7'
+    testImplementation 'org.mongodb:mongo-java-driver:3.12.9'
 
     testImplementation ('org.mockito:mockito-core:3.11.2') {
         exclude(module: 'hamcrest-core')