Bump htmlunit from 1.14 to 2.37.0 in /test23

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>

test23/pom.xml

diff --git a/test23/pom.xml b/test23/pom.xml
index e585507..f56c54b 100644
--- a/test23/pom.xml
+++ b/test23/pom.xml
@@ -44,7 +44,7 @@
         <dependency>
             <groupId>net.sourceforge.htmlunit</groupId>
             <artifactId>htmlunit</artifactId>
-            <version>1.14</version>
+            <version>2.37.0</version>
             <optional>true</optional>
         </dependency>