Use newest version of neo4j

[joluj]

In 02045b1, the docker version of neo4j was set to 4.2 since our dumps where created in that version and were not automatically updated.
This issue adds the functionality that our DB-dumps are automatically upgraded to new versions of neo4j.

Related lines from the Error Log:

ERROR [o.n.k.i.s.DatabaseMigrator] [neo4j/a2ee98bc] Error upgrading database. Database left intact and will likely not be able to start: org.neo4j.storageengine.migration.UpgradeNotAllowedException: Neo4j cannot be started because the database files require upgrading and upgrades are disabled in the configuration. Please set 'dbms.allow_upgrade' to 'true' in your configuration file and try again.

ERROR [c.n.d.DbmsReconciler] Encountered error when attempting to reconcile database neo4j to state 'online', database remains in state 'offline'
2021-06-14T12:00:27.7501246Z org.neo4j.dbms.api.DatabaseManagementException: Unable to start database `DatabaseId{a2ee98bc[neo4j]}`. Requires upgrade.

2021-06-14T12:00:27.7543045Z Caused by: org.neo4j.kernel.lifecycle.LifecycleException: Component 'org.neo4j.kernel.database.Database@4597385f' was successfully initialized, but failed to start. Please see the attached cause exception "Neo4j cannot be started because the database files require upgrading and upgrades are disabled in the configuration. Please set 'dbms.allow_upgrade' to 'true' in your configuration file and try again.".

2021-06-14T12:00:27.7560320Z Caused by: java.lang.RuntimeException: org.neo4j.storageengine.migration.UpgradeNotAllowedException: Neo4j cannot be started because the database files require upgrading and upgrades are disabled in the configuration. Please set 'dbms.allow_upgrade' to 'true' in your configuration file and try again.

2021-06-14T12:00:27.7578565Z Caused by: org.neo4j.storageengine.migration.UpgradeNotAllowedException: Neo4j cannot be started because the database files require upgrading and upgrades are disabled in the configuration. Please set 'dbms.allow_upgrade' to 'true' in your configuration file and try again.

[joluj]

/CC @PianoRollRepresentation