Use node-version vs. node_version

Author: humphd

.github/workflows/node-js-ci.yml

@@ -16,7 +16,7 @@ jobs:
         os: [ubuntu-latest, macos-latest, windows-latest]
         node: ['12', '14']
 
-    name: Node ${{ matrix.node_version }} on ${{ matrix.os }}
+    name: Node ${{ matrix.node-version }} on ${{ matrix.os }}
     steps:
       - uses: actions/checkout@v2
       - name: Test