🧪 Add Node 14 tests to CI (n8n-io#2779)

Co-authored-by: Ben Hesseldieck <1849459+BHesseldieck@users.noreply.github.com>

Author: ivov

.github/workflows/tests.yml

@@ -11,7 +11,7 @@ jobs:
 
     strategy:
       matrix:
-        node-version: [16.x]
+        node-version: [14.x, 16.x]
 
     steps:
     - uses: actions/checkout@v1