Bump org.objenesis:objenesis from 3.3 to 3.4

Bumps [org.objenesis:objenesis](https://github.com/easymock/objenesis) from 3.3 to 3.4.
- [Release notes](https://github.com/easymock/objenesis/releases)
- [Commits](easymock/objenesis@3.3...3.4)

---
updated-dependencies:
- dependency-name: org.objenesis:objenesis
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

build.gradle

@@ -29,7 +29,7 @@ dependencies {
 
     testImplementation "org.spockframework:spock-core:2.3-groovy-3.0"
     testImplementation "cglib:cglib-nodep:3.3.0" //mocking concrete classes with spock
-    testImplementation "org.objenesis:objenesis:3.3" //as above
+    testImplementation "org.objenesis:objenesis:3.4" //as above
 }
 
 apply from: "$rootDir/gradle/release.gradle"