ENT-191 Adding new edx-enterprise packages to be optionally installed

We introduced two more apps in edx-enterprise that need to be pulled in.

lms/envs/common.py

@@ -2692,8 +2692,10 @@ OPTIONAL_APPS = (
     # Organizations App (http://github.com/edx/edx-organizations)
     'organizations',
 
-    # Enterprise App (http://github.com/edx/edx-enterprise)
+    # Enterprise Apps (http://github.com/edx/edx-enterprise)
     'enterprise',
+    'integrated_channels.integrated_channel',
+    'integrated_channels.sap_success_factors',
     # Required by the Enterprise App
     'django_object_actions',  # https://github.com/crccheck/django-object-actions
 )

requirements/edx/base.txt

@@ -52,7 +52,7 @@ edx-lint==0.4.3
 astroid==1.3.8
 edx-django-oauth2-provider==1.1.4
 edx-django-sites-extensions==2.1.1
-edx-enterprise==0.24.0
+edx-enterprise==0.26.3
 edx-oauth2-provider==1.2.0
 edx-opaque-keys==0.4.0
 edx-organizations==0.4.3