Bump spring-data-mongodb from 2.1.1.RELEASE to 3.3.4

Bumps spring-data-mongodb from 2.1.1.RELEASE to 3.3.4.

---
updated-dependencies:
- dependency-name: org.springframework.data:spring-data-mongodb
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

pom.xml

@@ -171,7 +171,7 @@
  <dependency>
  <groupId>org.springframework.data</groupId>
  <artifactId>spring-data-mongodb</artifactId>
- <version>3.3.3</version>
+ <version>3.3.4</version>
  </dependency>
 
  <!-- Test -->