Bump hibernate-validator from 6.1.0.Final to 6.1.5.Final in /ip-proxy

Bumps [hibernate-validator](https://github.com/hibernate/hibernate-validator) from 6.1.0.Final to 6.1.5.Final.
- [Release notes](https://github.com/hibernate/hibernate-validator/releases)
- [Changelog](https://github.com/hibernate/hibernate-validator/blob/6.1.5.Final/changelog.txt)
- [Commits](hibernate/hibernate-validator@6.1.0.Final...6.1.5.Final)

---
updated-dependencies:
- dependency-name: org.hibernate.validator:hibernate-validator
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

ip-proxy/pom.xml

@@ -37,7 +37,7 @@
         <dependency>
             <groupId>org.hibernate.validator</groupId>
             <artifactId>hibernate-validator</artifactId>
-            <version>6.1.0.Final</version>
+            <version>6.1.5.Final</version>
             <scope>compile</scope>
         </dependency>