Create env variable from repo secret

.github/workflows/run-ava-tests.js.yml

@@ -16,7 +16,7 @@ jobs:
 
     strategy:
       matrix:
-        node-version: [15.x, 16.x]
+        node-version: [14.x, 15.x]
         # See supported Node.js release schedule at https://nodejs.org/en/about/releases/
 
     steps:
@@ -25,6 +25,9 @@ jobs:
       uses: actions/setup-node@v2
       with:
         node-version: ${{ matrix.node-version }}
+    - run: |
+        touch .env
+        echo ${{ secrets.GH_ENV }} >> .env
     - run: npm ci
     - run: npm run generate
     - run: npm test