Bump jackson.version from 2.6.5 to 2.11.0

Bumps `jackson.version` from 2.6.5 to 2.11.0.

Updates `jackson-core` from 2.6.5 to 2.11.0
- [Release notes](https://github.com/FasterXML/jackson-core/releases)
- [Commits](FasterXML/jackson-core@jackson-core-2.6.5...jackson-core-2.11.0)

Updates `jackson-databind` from 2.6.5 to 2.11.0
- [Release notes](https://github.com/FasterXML/jackson/releases)
- [Commits](https://github.com/FasterXML/jackson/commits)

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

Author: dependabot[bot]

pom.xml

@@ -8,7 +8,7 @@
     <url>http://mine.elmakers.com</url>
 
     <properties>
-        <jackson.version>2.6.5</jackson.version>
+        <jackson.version>2.11.0</jackson.version>
         <findbugs.version>1.3.9</findbugs.version>
         <bukkit.version>1.13-R0.1-SNAPSHOT</bukkit.version>
     </properties>