ci: use node 14

Author: thepassle

.github/workflows/release.yml

@@ -18,10 +18,10 @@ jobs:
           # This makes Actions fetch all Git history so that Changesets can generate changelogs with the correct commits
           fetch-depth: 0
 
-      - name: Setup Node.js 12.x
+      - name: Setup Node.js 14.x
         uses: actions/setup-node@master
         with:
-          node-version: 12.x
+          node-version: 14.x
           registry-url: 'https://registry.npmjs.org'
 
       - name: Get yarn cache directory path