[Snyk] Upgrade org.hibernate:hibernate-entitymanager from 5.4.24.Final to 5.6.7.Final

[twagoo]

This PR was automatically created by Snyk using the credentials of a real user.

Snyk has created this PR to upgrade org.hibernate:hibernate-entitymanager from 5.4.24.Final to 5.6.7.Final.

:information_source: Keep your dependencies up-to-date. This makes it easier to fix existing vulnerabilities and to more quickly identify and fix newly disclosed vulnerabilities when they affect your project.

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- The recommended version is **35 versions** ahead of your current version. - The recommended version was released **a month ago**, on 2022-03-16.

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[WillemElbers]

Manually updated dependencies in https://github.com/clarin-eric/VirtualCollectionRegistry/releases/tag/1.6.14-rc1