Disable git shallow clone in github-actions ci.

Author: mfl28

.github/workflows/workflow.yml

@@ -31,6 +31,8 @@ jobs:
     steps:
       - name: Git checkout
         uses: actions/checkout@v2
+        with:
+          fetch-depth: 0
       - name: Set up JDK
         uses: actions/setup-java@v1
         with:
@@ -76,6 +78,8 @@ jobs:
     steps:
       - name: Git checkout
         uses: actions/checkout@v2
+        with:
+          fetch-depth: 0
       - name: Set up JDK
         uses: actions/setup-java@v1
         with:
@@ -121,6 +125,8 @@ jobs:
     steps:
       - name: Git checkout
         uses: actions/checkout@v2
+        with:
+          fetch-depth: 0
       - name: Set up JDK
         uses: actions/setup-java@v1
         with: