build: embed binary checksums in the npm package (#30611)

* build: embed binary checksums in the npm package

* Update docs/tutorial/installation.md

Co-authored-by: Jeremy Rose <jeremya@chromium.org>

* refactor: replace reduce with loop

Co-authored-by: Jeremy Rose <jeremya@chromium.org>

npm/install.js

@@ -41,6 +41,7 @@ downloadArtifact({
   artifactName: 'electron',
   force: process.env.force_no_cache === 'true',
   cacheRoot: process.env.electron_config_cache,
+  checksums: process.env.electron_use_remote_checksums ? undefined : require('./checksums.json'),
   platform,
   arch
 }).then(extractFile).catch(err => {

npm/package.json

@@ -8,7 +8,7 @@
     "postinstall": "node install.js"
   },
   "dependencies": {
-    "@electron/get": "^1.0.1",
+    "@electron/get": "^1.13.0",
     "@types/node": "^14.6.2",
     "extract-zip": "^1.0.3"
   },