set fetch-depth 0 for code-cov

Author: jyu115

.github/workflows/build.yml

@@ -96,6 +96,7 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
+        fetch-depth: 0
 
       - name: Configure JDK
         uses: actions/setup-java@d202f5dbf7256730fb690ec59f6381650114feb2 # v1.4.3