chore: update all workflows to Node.js v16

.github/workflows/cypress.yml

@@ -20,10 +20,10 @@ jobs:
           repository: freeCodeCamp/client-config
           path: client-config
 
-      - name: Use Node.js 14.x
+      - name: Use Node.js 16.x
         uses: actions/setup-node@v2
         with:
-          node-version: 14.x
+          node-version: 16.x
           cache: 'npm'
 
       - name: Set freeCodeCamp Environment Variables
@@ -60,7 +60,7 @@ jobs:
     strategy:
       matrix:
         browsers: [chrome, firefox, electron]
-        node-version: [14.x]
+        node-version: [16.x]
         include:
           - browsers: electron
             spec: cypress/integration/learn/challenges/projects.js

.github/workflows/node.js-tests-upcoming.yml

@@ -16,7 +16,7 @@ jobs:
 
     strategy:
       matrix:
-        node-version: [14.x]
+        node-version: [16.x]
 
     steps:
       - name: Checkout Source Files
@@ -48,7 +48,7 @@ jobs:
 
     strategy:
       matrix:
-        node-version: [14.x]
+        node-version: [16.x]
 
     steps:
       - name: Checkout Source Files

.github/workflows/node.js-tests.yml

@@ -11,7 +11,7 @@ jobs:
 
     strategy:
       matrix:
-        node-version: [14.x]
+        node-version: [16.x]
 
     steps:
       - name: Checkout Source Files
@@ -40,7 +40,7 @@ jobs:
 
     strategy:
       matrix:
-        node-version: [14.x]
+        node-version: [16.x]
 
     steps:
       - name: Checkout Source Files
@@ -71,7 +71,7 @@ jobs:
 
     strategy:
       matrix:
-        node-version: [14.x]
+        node-version: [16.x]
 
     steps:
       - name: Checkout Source Files
@@ -104,7 +104,7 @@ jobs:
 
     strategy:
       matrix:
-        node-version: [14.x]
+        node-version: [16.x]
         locale: [chinese, espanol]
 
     steps: