[node] update node@16 deprecation day (#11671)

Double check my dates, but I believe this is the new correct date we want. https://docs.aws.amazon.com/lambda/latest/dg/lambda-runtimes.html

.changeset/polite-shoes-exist.md

@@ -0,0 +1,5 @@
+---
+"@vercel/build-utils": patch
+---
+
+[node] update node@16 deprecation day

packages/build-utils/src/fs/node-version.ts

@@ -13,7 +13,7 @@ export const NODE_VERSIONS: NodeVersion[] = [
     major: 16,
     range: '16.x',
     runtime: 'nodejs16.x',
-    discontinueDate: new Date('2024-06-15'),
+    discontinueDate: new Date('2025-02-28'),
   },
   {
     major: 14,

packages/build-utils/test/unit.test.ts

@@ -286,7 +286,7 @@ it('should throw for discontinued versions', async () => {
   // Mock a future date so that Node 16 becomes discontinued
   const realDateNow = Date.now;
   try {
-    global.Date.now = () => new Date('2024-07-16').getTime();
+    global.Date.now = () => new Date('2025-03-01').getTime();
 
     expect(getSupportedNodeVersion('8.10.x', false)).rejects.toThrow();
     expect(getSupportedNodeVersion('8.10.x', true)).rejects.toThrow();
@@ -356,8 +356,8 @@ it('should warn for deprecated versions, soon to be discontinued', async () => {
       'Error: Node.js version 12.x has reached End-of-Life. Deployments created on or after 2022-10-03 will fail to build. Please set Node.js Version to 20.x in your Project Settings to use Node.js 20.',
       'Error: Node.js version 14.x has reached End-of-Life. Deployments created on or after 2023-08-15 will fail to build. Please set "engines": { "node": "20.x" } in your `package.json` file to use Node.js 20.',
       'Error: Node.js version 14.x has reached End-of-Life. Deployments created on or after 2023-08-15 will fail to build. Please set Node.js Version to 20.x in your Project Settings to use Node.js 20.',
-      'Error: Node.js version 16.x has reached End-of-Life. Deployments created on or after 2024-06-15 will fail to build. Please set "engines": { "node": "20.x" } in your `package.json` file to use Node.js 20.',
-      'Error: Node.js version 16.x has reached End-of-Life. Deployments created on or after 2024-06-15 will fail to build. Please set Node.js Version to 20.x in your Project Settings to use Node.js 20.',
+      'Error: Node.js version 16.x has reached End-of-Life. Deployments created on or after 2025-02-28 will fail to build. Please set "engines": { "node": "20.x" } in your `package.json` file to use Node.js 20.',
+      'Error: Node.js version 16.x has reached End-of-Life. Deployments created on or after 2025-02-28 will fail to build. Please set Node.js Version to 20.x in your Project Settings to use Node.js 20.',
     ]);
   } finally {
     global.Date.now = realDateNow;