Revert "build: update dependencies"

This reverts commit d9d562f.

Author: wolfy1339

.github/workflows/ci.yml

@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        node-version: [12.x]
+        node-version: [10.x, 12.x]
     services:
       redis:
         image: redis