Update new-release-branch.yaml

12 -> 14

.github/workflows/new-release-branch.yaml

@@ -9,10 +9,10 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - name: Use node version 12.x
+    - name: Use node version 14.x
       uses: actions/setup-node@v1
       with:
-        node-version: 12.x
+        node-version: 14.x
     - uses: actions/checkout@v2
       with:
         fetch-depth: 5