Bump gson from 2.8.5 to 2.8.6

Bumps [gson](https://github.com/google/gson) from 2.8.5 to 2.8.6.
- [Release notes](https://github.com/google/gson/releases)
- [Changelog](https://github.com/google/gson/blob/master/CHANGELOG.md)
- [Commits](google/gson@gson-parent-2.8.5...gson-parent-2.8.6)

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

Author: dependabot-preview[bot]

pom.xml

@@ -22,7 +22,7 @@
         <service.type>RELEASE</service.type>
         <!-- Dependencies -->
         <dependency.netty.version>4.1.42.Final</dependency.netty.version>
-        <dependency.gson.version>2.8.5</dependency.gson.version>
+        <dependency.gson.version>2.8.6</dependency.gson.version>
         <dependency.jline.version>2.14.6</dependency.jline.version>
         <dependency.jopt-simple.version>5.0.4</dependency.jopt-simple.version>
         <dependecy.snakeyaml.version>1.25</dependecy.snakeyaml.version>