Bump jackson-databind from 2.9.9 to 2.12.7.1

Bumps [jackson-databind](https://github.com/FasterXML/jackson) from 2.9.9 to 2.12.7.1.
- [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

@@ -60,7 +60,7 @@
     <hadoop.version>2.3.0</hadoop.version>
     <httpcomponents.version>4.5.9</httpcomponents.version>
     <hydrator.version>2.4.0</hydrator.version>
-    <jackson.version>2.9.9</jackson.version>
+    <jackson.version>2.12.7.1</jackson.version>
     <spark2.version>2.1.3</spark2.version>
     <surefire.redirectTestOutputToFile>true</surefire.redirectTestOutputToFile>
     <unxml.version>0.9</unxml.version>