support network filters in ansible-init

Author: sjpb

environments/common/inventory/group_vars/all/ansible_init.yml

@@ -1 +1,7 @@
-ansible_init_wait: 1200 # seconds
+ansible_init_wait: 1200 # seconds
+ansible_init_pip_packages:
+  - ansible
+  - jmespath
+  - requests
+  # custom below here
+  - netaddr

requirements.yml

@@ -36,7 +36,7 @@ collections:
     version: 0.4.0
   - name: https://github.com/azimuth-cloud/ansible-collection-image-utils
     type: git
-    version: 0.4.0
+    version: feat/pip-deps # TODO: bump on release
   - name: kubernetes.core
     version: 2.4.2
   # stackhpc.pulp has pulp.squeezer as dependency, any version, but latest