Bump htmlunit from 1.14 to 2.37.0 in /test20

Bumps [htmlunit](https://github.com/HtmlUnit/htmlunit) from 1.14 to 2.37.0.
- [Release notes](https://github.com/HtmlUnit/htmlunit/releases)
- [Commits](https://github.com/HtmlUnit/htmlunit/commits/2.37.0)

---
updated-dependencies:
- dependency-name: net.sourceforge.htmlunit:htmlunit
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>
1 file changed
tree: 0db760f25fafd19b87990fe410be71505735c853
  1. assembly/
  2. src/
  3. test12/
  4. test20/
  5. test22/
  6. test23/
  7. test30/
  8. .gitignore
  9. pom.xml