Bump hibernate.version from 5.3.7.Final to 5.4.20.Final in /full

Bumps `hibernate.version` from 5.3.7.Final to 5.4.20.Final.

Updates `hibernate-entitymanager` from 5.3.7.Final to 5.4.20.Final
- [Release notes](https://github.com/hibernate/hibernate-orm/releases)
- [Changelog](https://github.com/hibernate/hibernate-orm/blob/5.4.20/changelog.txt)
- [Commits](https://github.com/hibernate/hibernate-orm/compare/5.3.7...5.4.20)

Updates `hibernate-jpamodelgen` from 5.3.7.Final to 5.4.20.Final
- [Release notes](https://github.com/hibernate/hibernate-orm/releases)
- [Changelog](https://github.com/hibernate/hibernate-orm/blob/5.4.20/changelog.txt)
- [Commits](https://github.com/hibernate/hibernate-orm/compare/5.3.7...5.4.20)

Updates `hibernate-java8` from 5.3.7.Final to 5.4.20.Final
- [Release notes](https://github.com/hibernate/hibernate-orm/releases)
- [Changelog](https://github.com/hibernate/hibernate-orm/blob/5.4.20/changelog.txt)
- [Commits](https://github.com/hibernate/hibernate-orm/compare/5.3.7...5.4.20)

Updates `hibernate-c3p0` from 5.3.7.Final to 5.4.20.Final
- [Release notes](https://github.com/hibernate/hibernate-orm/releases)
- [Changelog](https://github.com/hibernate/hibernate-orm/blob/5.4.20/changelog.txt)
- [Commits](https://github.com/hibernate/hibernate-orm/compare/5.3.7...5.4.20)

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

Closes #101

Change-Id: I2dedda06139e415cce2c556e9996255a16a10c56
diff --git a/full/pom.xml b/full/pom.xml
index b225554..eef7f06 100644
--- a/full/pom.xml
+++ b/full/pom.xml
@@ -8,7 +8,7 @@
 		<java.version>1.8</java.version>
 		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
 		<jersey.version>1.19.4</jersey.version>
-		<hibernate.version>5.3.7.Final</hibernate.version>
+		<hibernate.version>5.4.20.Final</hibernate.version>
 	</properties>
 	<profiles>
 		<profile>