change fetch gitaction

Author: uelei

.github/workflows/master.yaml

@@ -30,6 +30,8 @@ jobs:
     ## checks out our code locally so we can work with the files
     - name: Checkout code
       uses: actions/checkout@v2
+      with:  
+        fetch-depth: 0
 
     - name: Build Windows
       if: matrix.os == 'windows-latest'