chore(ci): update node version

Author: BJvdA

.github/workflows/release.yaml

@@ -15,7 +15,7 @@ jobs:
       - name: Setup Node.js
         uses: actions/setup-node@v2
         with:
-          node-version: 12
+          node-version: 16
       - name: Install dependencies
         run: yarn
       - name: Release

.github/workflows/test.yaml

@@ -18,7 +18,7 @@ jobs:
       - name: Setup Node.js
         uses: actions/setup-node@v2
         with:
-          node-version: 12
+          node-version: 16
 
       - name: Get yarn cache directory path
         id: yarn-cache-dir-path