compare with origin master

Author: Feiyang1

.github/workflows/changesets.yml

@@ -12,9 +12,6 @@ jobs:
     steps:
       - name: Checkout Repo
         uses: actions/checkout@v2
-        with:
-          ## fetch all history for all branches and tags, so we can compare with master
-          fetch-depth: 0
 
       - name: Show branches
         run: git branch
@@ -28,4 +25,4 @@ jobs:
         run: yarn
 
       - name: Check if any Changeset file exists
-        run: yarn changeset status --since=master
+        run: yarn changeset status --since=origin/master