fix: [FC-0047] unpin django-push-notifications versions and recompile requirements

Author: NiedielnitsevIvan

requirements/base.in

@@ -7,6 +7,5 @@ attrs>=17.2.0                     # Attributes without boilerplate
 sailthru-client==2.2.3
 six
 stevedore>=1.10.0
-
-firebase-admin==6.5.0
-django-push-notifications==3.1.0
+firebase-admin
+django-push-notifications

setup.py

@@ -113,7 +113,7 @@ def is_requirement(line):
     install_requires=load_requirements('requirements/base.in'),
     extras_require={
         'sailthru':  ["sailthru-client>2.2,<2.3"],
-        'push_notifications':  ["django-push-notifications[FCM]>=3.1.0"]
+        'push_notifications':  ["django-push-notifications[FCM]"]
     },
     license="AGPL 3.0",
     zip_safe=False,