Add collection dependencies (#6)

* Add collection dependencies

* Add community.postgresql collection dependency

community.postgresql is required for the geerlingguy.postgresql role, and not always automatically installed so we ensure its presence here.

Co-authored-by: Dan Chaffelson <chaffelson@gmail.com>

galaxy.yml

@@ -55,7 +55,13 @@ tags: []
 # collection label 'namespace.name'. The value is a version range
 # L(specifiers,https://python-semanticversion.readthedocs.io/en/latest/#requirement-specification). Multiple version
 # range specifiers can be set and are separated by ','
-dependencies: {}
+dependencies:
+  'ansible.posix': '>=1.2.0'
+  'community.crypto': '>=1.6.0'
+  'community.general': '>=2.4.0'
+  'community.mysql': '>=1.3.0'
+  'community.postgresql': '>=1.3.0'
+  'freeipa.ansible_freeipa': '>=0.3.5'
 
 # The URL of the originating SCM repository
 repository: http://github.com/cloudera-labs