Bump hibernate-core

Bumps [hibernate-core](https://github.com/hibernate/hibernate-orm) from 5.3.7.Final to 5.3.20.Final.
- [Release notes](https://github.com/hibernate/hibernate-orm/releases)
- [Changelog](https://github.com/hibernate/hibernate-orm/blob/5.3.20/changelog.txt)
- [Commits](hibernate/hibernate-orm@5.3.7...5.3.20)

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

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Author: dependabot[bot]

hcs-sxc-java-plugins/hcs-sxc-java-plugins-persistence-hibernate/pom.xml

@@ -28,7 +28,7 @@
         <dependency>
             <groupId>org.hibernate</groupId>
             <artifactId>hibernate-core</artifactId>
-            <version>5.3.7.Final</version>
+            <version>5.3.20.Final</version>
         </dependency>
         <dependency>
             <groupId>com.hedera</groupId>