Bump net.sourceforge.htmlunit:htmlunit from 2.37.0 to 2.70.0

Bumps [net.sourceforge.htmlunit:htmlunit](https://github.com/HtmlUnit/htmlunit) from 2.37.0 to 2.70.0.
- [Release notes](https://github.com/HtmlUnit/htmlunit/releases)
- [Commits](https://github.com/HtmlUnit/htmlunit/compare/2.37.0...2.70.0)

---
updated-dependencies:
- dependency-name: net.sourceforge.htmlunit:htmlunit
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

buildSrc/build.gradle

@@ -92,7 +92,7 @@ dependencies {
     implementation 'io.spring.javaformat:spring-javaformat-gradle-plugin:0.0.43'
     implementation 'io.spring.gradle:spring-security-release-plugin:1.0.3'
     implementation 'io.spring.nohttp:nohttp-gradle:0.0.11'
-    implementation 'net.sourceforge.htmlunit:htmlunit:2.37.0'
+    implementation 'net.sourceforge.htmlunit:htmlunit:2.70.0'
     implementation 'org.asciidoctor:asciidoctor-gradle-jvm:3.3.2'
     implementation 'org.hidetake:gradle-ssh-plugin:2.10.1'
     implementation 'org.jfrog.buildinfo:build-info-extractor-gradle:4.26.3'