Bump jackson.version from 2.9.6 to 2.9.8

Bumps `jackson.version` from 2.9.6 to 2.9.8.

Updates `jackson-databind` from 2.9.6 to 2.9.8
- [Release notes](https://github.com/FasterXML/jackson/releases)
- [Commits](https://github.com/FasterXML/jackson/commits)

Updates `jackson-dataformat-yaml` from 2.9.6 to 2.9.8
- [Release notes](https://github.com/FasterXML/jackson-dataformats-text/releases)
- [Commits](FasterXML/jackson-dataformats-text@jackson-dataformats-text-2.9.6...jackson-dataformats-text-2.9.8)

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

pom.xml

@@ -38,7 +38,7 @@
         <maven.compiler.target>1.8</maven.compiler.target>
 
         <spring.version>4.3.18.RELEASE</spring.version>
-        <jackson.version>2.9.6</jackson.version>
+        <jackson.version>2.9.8</jackson.version>
     </properties>
 
     <licenses>