Trying to get the GH syntax right...

Author: Gary Gregory

.github/workflows/maven.yml

@@ -21,15 +21,16 @@ jobs:
   build:
 
     runs-on: ubuntu-latest
-#    runs-on: ${{ matrix.os }}
+    runs-on: ${{ matrix.os }}
     continue-on-error: ${{ matrix.experimental }}
     strategy:
       matrix:
-#        os: [ubuntu-latest, windows-latest]
+        os: [ubuntu-latest, windows-latest]
         java: [ 8, 11, 14 ]
         experimental: [false]
         include:
           - java: 15-ea
+            os: ${{ matrix.os }}
             experimental: true        
       fail-fast: false