Bump org.scalatest:scalatest_2.13 from 3.0.8 to 3.3.0-SNAP4

Bumps [org.scalatest:scalatest_2.13](https://github.com/scalatest/scalatest) from 3.0.8 to 3.3.0-SNAP4.
- [Release notes](https://github.com/scalatest/scalatest/releases)
- [Commits](https://github.com/scalatest/scalatest/commits)

---
updated-dependencies:
- dependency-name: org.scalatest:scalatest_2.13
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

scala-extensions-parent/pom.xml

@@ -38,7 +38,7 @@
 
 	<properties>
 		<version.wicketstuff>${project.version}</version.wicketstuff>
-		<version.scalatest>3.0.8</version.scalatest>
+		<version.scalatest>3.3.0-SNAP4</version.scalatest>
 		<archetype-packaging.version>3.2.1</archetype-packaging.version>
 		<maven-archetype-plugin.version>3.1.0</maven-archetype-plugin.version>
 	</properties>