Update ci-workflow.yml

Author: mattdavis0351

.github/ci-workflow.yml

@@ -22,7 +22,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-lastest, windows-2016]
-        node-version: [10, 12]
+        node-version: [8.x, 10.x]
 
     steps:
       - uses: actions/checkout@v1