Bug fixes

Removed deprecated function as per #3075787

Fixed Issue #3075879 by alonaoneill: Dependency namespacing in .info.yml file

Add validate response content is jsonapi

This release has resolved all outstanding Security Vulnerabilities for GovCMS8:

* [SA-CONTRIB-2019-058] Update drupal/metatag to 1.9.0 (from 1.8.0)

There has also been a core update:

* Update drupal/core to 8.7.6 (from 8.7.3)

And one module has had its version pinned to avoid updated versions inadvertently being included.

* Pin drupal/scheduled_transitions to 1.0.0-rc1