Adds token to GH actions for GetTwitchDownloader

docker-utils/GetTwitchDownloader.py

@@ -26,7 +26,8 @@ def getZipName():
 
 def getLatestFileInRepo(repo, search_string):
     # Create an unauthenticated instance of the Github object
-    g = Github(os.environ.get('GH_TOKEN'))
+    gh_token = os.environ.get('GH_TOKEN')
+    g = Github(gh_token if gh_token else None) # ensure it's none if it's falsy
 
     # Replace with the repository owner and name
     repo = g.get_repo(repo)