Bump hibernate-validator in /developer-tools/java-debugging/app

Bumps [hibernate-validator](https://github.com/hibernate/hibernate-validator) from 4.2.0.Final to 5.3.5.Final.
- [Release notes](https://github.com/hibernate/hibernate-validator/releases)
- [Changelog](https://github.com/hibernate/hibernate-validator/blob/5.3.5.Final/changelog.txt)
- [Commits](https://github.com/hibernate/hibernate-validator/compare/4.2.0.Final...5.3.5.Final)

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

developer-tools/java-debugging/app/pom.xml

@@ -33,7 +33,7 @@
 		<dependency>
 			<groupId>org.hibernate</groupId>
 			<artifactId>hibernate-validator</artifactId>
-			<version>4.2.0.Final</version>
+			<version>5.3.5.Final</version>
 		</dependency>
 		<dependency>
 			<groupId>org.hibernate</groupId>