Bump libhoney-java from 1.3.0 to 1.3.1 (#99)

Bumps [libhoney-java](https://github.com/honeycombio/libhoney-java) from 1.3.0 to 1.3.1.
- [Release notes](https://github.com/honeycombio/libhoney-java/releases)
- [Changelog](https://github.com/honeycombio/libhoney-java/blob/main/CHANGELOG.md)
- [Commits](honeycombio/libhoney-java@v1.3.0...v1.3.1)

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

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

pom.xml

@@ -71,7 +71,7 @@
         <jdkVersion>1.8</jdkVersion>
 
         <!-- COMPILE dependency versions  -->
-        <libhoneyVersion>1.3.0</libhoneyVersion>
+        <libhoneyVersion>1.3.1</libhoneyVersion>
         <springBootVersion>2.1.1.RELEASE</springBootVersion>
 
         <!-- TEST dependency versions  -->