ci: use node 16

Author: codebender828

.github/workflows/pr.yml

@@ -17,7 +17,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        node-version: [14]
+        node-version: [16]
     steps:
     - name: Get Yarn cache path
       id: yarn-cache

.github/workflows/release.yml

@@ -26,10 +26,10 @@ jobs:
         # so that Changesets can generate changelogs with the correct commits
         fetch-depth: 0
 
-    - name: Use Node.js 14.x
+    - name: Use Node.js 16.x
       uses: actions/setup-node@master
       with:
-        node-version: 14
+        node-version: 16
 
     - name: Load Yarn cache
       uses: actions/cache@v2