Update release.yml

Author: ruedap

.github/workflows/release.yml

@@ -5,7 +5,7 @@ on:
       - "v*"
 env:
   CI: true
-  NODE: 14.x
+  NODE_VERSION: 14.x
 
 jobs:
   release:
@@ -17,7 +17,7 @@ jobs:
       - name: Set up Node.js
         uses: actions/setup-node@v1
         with:
-          node-version: "${{ env.NODE }}"
+          node-version: "${{ env.NODE_VERSION }}"
 
       - name: Install node modules
         run: npm ci