Merge pull request #4117 from MicrosoftDocs/branch-renaming-2021-11-22-03-05-35

Config changes to reflect the default branch from master to main. Please merge to complete the default branch renaming job.

Author: bishalgoswami

.openpublishing.publish.config.json

@@ -49,13 +49,13 @@
     {
       "path_to_root": "_themes",
       "url": "https://github.com/Microsoft/templates.docs.msft",
-      "branch": "master",
+      "branch": "main",
       "branch_mapping": {}
     },
     {
       "path_to_root": "_themes.pdf",
       "url": "https://github.com/Microsoft/templates.docs.msft.pdf",
-      "branch": "master",
+      "branch": "main",
       "branch_mapping": {}
     }
   ],
@@ -64,7 +64,7 @@
       "Publish",
       "Pdf"
     ],
-    "master": [
+    "main": [
       "Publish",
       "Pdf"
     ],