fix(node.fetcher): node < 16 download fail on apple silicon

Add a check for macos apple silicon and required node version < 16.
In such case, download x64 binary.
Because arm build does not exist.
Previous behaviour:
Try to download non existing arm build and fail with 404.

NO breaking change
fixes #4489

.changeset/five-ties-add.md

@@ -0,0 +1,5 @@
+---
+"@pnpm/node.fetcher": patch
+---
+
+For node version < 16, install x64 build on darwin arm as arm build is not available.

packages/node.fetcher/src/getNodeTarball.ts

@@ -1,3 +1,8 @@
+/*
+ * Copyright 2022 VMware, Inc.
+ * SPDX-License-Identifier: MIT
+ */
+
 import normalizeArch from './normalizeArch'
 
 export function getNodeTarball (
@@ -8,8 +13,10 @@ export function getNodeTarball (
 ) {
   const platform = processPlatform === 'win32' ? 'win' : processPlatform
   const arch = normalizeArch(processPlatform, processArch)
+  const nodeMajorVersion = +nodeVersion.split('.')[0]
+  const nodeBinaryArch = (platform === 'darwin' && arch === 'arm64' && (nodeMajorVersion < 16)) ? 'x64' : arch
   const extension = platform === 'win' ? 'zip' : 'tar.gz'
-  const pkgName = `node-v${nodeVersion}-${platform}-${arch}`
+  const pkgName = `node-v${nodeVersion}-${platform}-${nodeBinaryArch}`
   return {
     pkgName,
     tarball: `${nodeMirror}v${nodeVersion}/${pkgName}.${extension}`,

packages/node.fetcher/test/getNodeTarball.test.ts

@@ -1,3 +1,8 @@
+/*
+ * Copyright 2022 VMware, Inc.
+ * SPDX-License-Identifier: MIT
+ */
+
 import { getNodeTarball } from '../lib/getNodeTarball'
 
 test.each([
@@ -31,6 +36,26 @@ test.each([
       tarball: 'https://nodejs.org/download/release/v16.0.0/node-v16.0.0-linux-x64.tar.gz',
     },
   ],
+  [
+    '15.14.0',
+    'https://nodejs.org/download/release/',
+    'darwin',
+    'arm64',
+    {
+      pkgName: 'node-v15.14.0-darwin-x64',
+      tarball: 'https://nodejs.org/download/release/v15.14.0/node-v15.14.0-darwin-x64.tar.gz',
+    },
+  ],
+  [
+    '16.0.0',
+    'https://nodejs.org/download/release/',
+    'darwin',
+    'arm64',
+    {
+      pkgName: 'node-v16.0.0-darwin-arm64',
+      tarball: 'https://nodejs.org/download/release/v16.0.0/node-v16.0.0-darwin-arm64.tar.gz',
+    },
+  ],
 ])('getNodeTarball', (version, nodeMirrorBaseUrl, platform, arch, tarball) => {
   expect(getNodeTarball(version, nodeMirrorBaseUrl, platform, arch)).toStrictEqual(tarball)
 })