#533: drop maven 3.0.X from our test-matrix

Author: TheSnoozer

.github/workflows/default-tests.yml

@@ -65,7 +65,7 @@ jobs:
     strategy:
       matrix:
         java_version: ['11']
-        maven_version: ['3.0', '3.0.5', '3.1.1', '3.2.5', '3.3.9', '3.5.4', '3.6.3', '3.8.1']
+        maven_version: ['3.1.1', '3.2.5', '3.3.9', '3.5.4', '3.6.3', '3.8.1']
 
     steps:
       - uses: actions/checkout@v2