Bump jackson-databind from 2.4.4 to 2.9.10.8

Bumps [jackson-databind](https://github.com/FasterXML/jackson) from 2.4.4 to 2.9.10.8.
- [Release notes](https://github.com/FasterXML/jackson/releases)
- [Commits](https://github.com/FasterXML/jackson/commits)

---
updated-dependencies:
- dependency-name: com.fasterxml.jackson.core:jackson-databind
  dependency-type: direct:production
...

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

Author: dependabot[bot]

pom.xml

@@ -83,7 +83,7 @@
         <hbase100.core.version>1.0.2</hbase100.core.version>
         <hbase100.version>${hbase100.core.version}</hbase100.version>
         <jackson1.version>1.9.2</jackson1.version>
-        <jackson2.version>2.4.4</jackson2.version>
+        <jackson2.version>2.9.10.8</jackson2.version>
         <!-- ES depends on Lucene.  This ES dependency can affect the
              version used by the janusgraph-lucene module.  When updating
              the ES version, also consider the version of Lucene, and