Bump objenesis from 3.0.1 to 3.1

Bumps [objenesis](https://github.com/easymock/objenesis) from 3.0.1 to 3.1.
- [Release notes](https://github.com/easymock/objenesis/releases)
- [Commits](easymock/objenesis@3.0.1...3.1)

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

dropwizard-dependencies/pom.xml

@@ -52,7 +52,7 @@
         <metrics4.version>4.1.0</metrics4.version>
         <mustache-compiler.version>0.9.6</mustache-compiler.version>
         <nullaway.version>0.7.8</nullaway.version>
-        <objenesis.version>3.0.1</objenesis.version>
+        <objenesis.version>3.1</objenesis.version>
         <servlet.version>3.0.0.v201112011016</servlet.version>
         <slf4j.version>1.7.28</slf4j.version>
         <tomcat-jdbc.version>9.0.26</tomcat-jdbc.version>