Bump junit from 3.8.1 to 4.13.1 in /java/HRWebApp (oracle-samples#128)

Bumps [junit](https://github.com/junit-team/junit4) from 3.8.1 to 4.13.1. - [Release notes](https://github.com/junit-team/junit4/releases) - [Changelog](https://github.com/junit-team/junit4/blob/main/doc/ReleaseNotes4.13.1.md) - [Commits](https://github.com/junit-team/junit4/commits/r4.13.1) Signed-off-by: dependabot[bot] <support@github.com> Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

java/HRWebApp/pom.xml

@@ -26,7 +26,7 @@
  <dependency>
  <groupId>junit</groupId>
  <artifactId>junit</artifactId>
- <version>3.8.1</version>
+ <version>4.13.1</version>
  <scope>test</scope>
  </dependency>
  <dependency>