Merge remote-tracking branch 'origin/master' into testing

Change-Id: I32c5064dd6119b837cd91711dc0965a10c391318

Author: Stewart Miles

.github/ISSUE_TEMPLATE/external-dependency-manager-issue.md

@@ -10,6 +10,7 @@ assignees: ''
 ### Please fill in the following fields:
 Unity editor version: 
 External Dependency Manager version: 
+Source you installed EDM (from .unitypackage or Unity Package Manager):
 Features in External Dependency Manager in use (Android Resolver, iOS Resolver, VersionHandler, etc.):
 Plugins SDK in use (Firebase, Admob, Facebook, etc.):
 Platform you are using the Unity editor on (Mac, Windows, or Linux):