Fetch all history and all branches in CI, so we can compare with the master branch (#3286)

* fetch all history and all branches in CI

* Create hot-pumas-allow.md

Author: Feiyang1

.changeset/hot-pumas-allow.md

@@ -0,0 +1 @@
+

.github/workflows/changesets.yml

@@ -12,6 +12,9 @@ jobs:
     steps:
       - name: Checkout Repo
         uses: actions/checkout@master
+        with:
+          ## fetch all history for all branches and tags, so we can compare with master
+          fetch-depth: 0
 
       - name: Setup Node.js 12.x
         uses: actions/setup-node@master