Bump mongodb-driver from 3.0.4 to 3.12.0 (#1135)

Bumps [mongodb-driver](https://github.com/mongodb/mongo-java-driver) from 3.0.4 to 3.12.0.
- [Release notes](https://github.com/mongodb/mongo-java-driver/releases)
- [Commits](mongodb/mongo-java-driver@r3.0.4...r3.12.0)

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

caching/pom.xml

@@ -41,7 +41,7 @@
     <dependency>
       <groupId>org.mongodb</groupId>
       <artifactId>mongodb-driver</artifactId>
-      <version>3.0.4</version>
+      <version>3.12.0</version>
     </dependency>
     <dependency>
       <groupId>org.mongodb</groupId>