Maven pom.xml(deps-dev): Bump xsender from 4.0.0.Beta3 to 4.0.0.Beta4

Bumps [xsender](https://github.com/project-openubl/xsender) from 4.0.0.Beta3 to 4.0.0.Beta4.
- [Release notes](https://github.com/project-openubl/xsender/releases)
- [Changelog](https://github.com/project-openubl/xsender/blob/master/jreleaser.yml)
- [Commits](project-openubl/xhandler-java@v4.0.0.Beta3...v4.0.0.Beta4)

---
updated-dependencies:
- dependency-name: io.github.project-openubl:xsender
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

pom.xml

@@ -47,7 +47,7 @@
         <lombok.version>1.18.24</lombok.version>
         <quarkus.version>2.14.2.Final</quarkus.version>
         <xmlunit.version>2.9.0</xmlunit.version>
-        <xsender.version>4.0.0.Beta3</xsender.version>
+        <xsender.version>4.0.0.Beta4</xsender.version>
     </properties>
 
     <url>https://project-openubl.github.io/</url>