ci: standardize ci node version to 16

The Github actions often run node.js. This commit
standardizes the usage of node.js to version 16,
the current LTS.

.github/workflows/publish-canary.yml

@@ -35,10 +35,10 @@ 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 16.x
         uses: actions/setup-node@master
         with:
-          node-version: 12.x
+          node-version: 16.x
 
       - name: Get yarn cache directory path
         id: yarn-cache-dir-path

.github/workflows/release.yml

@@ -31,10 +31,10 @@ 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 16.x
         uses: actions/setup-node@master
         with:
-          node-version: 12.x
+          node-version: 16.x
 
       - name: Get yarn cache directory path
         id: yarn-cache-dir-path

.github/workflows/static-analysis.yml

@@ -24,7 +24,7 @@ jobs:
       - name: Setup node
         uses: actions/setup-node@v1
         with:
-          node-version: '12.x'
+          node-version: '16.x'
 
       - name: Get yarn cache directory path
         id: yarn-cache-dir-path

.github/workflows/ts-packages.yml

@@ -24,7 +24,7 @@ jobs:
       - name: Setup node
         uses: actions/setup-node@v1
         with:
-          node-version: '14.x'
+          node-version: '16.x'
 
       - name: Get yarn cache directory path
         id: yarn-cache-dir-path
@@ -76,7 +76,7 @@ jobs:
       - name: Setup node
         uses: actions/setup-node@v1
         with:
-          node-version: '14.x'
+          node-version: '16.x'
 
       - name: Get yarn cache directory path
         id: yarn-cache-dir-path
@@ -140,7 +140,7 @@ jobs:
         run: git fetch
       - uses: actions/setup-node@v1
         with:
-          node-version: 14
+          node-version: '16.x'
 
       - name: Get yarn cache directory path
         id: yarn-cache-dir-path