Git fetch depth infinite for build

.github/workflows/maven.yml

@@ -12,6 +12,8 @@ jobs:
 
     steps:
     - uses: actions/checkout@v2.3.4
+      with:
+        fetch-depth: 0 # This is wasteful, but needed for git describe
 
     - name: Restore dependency cache
       uses: actions/cache@v2.1.3