fix(essentials): accept --network-timeout as a legacy flag (#3523)

* fix(plugin-essentials): add missing legacy install flag --network-timeout to be accepted

* Versions

Co-authored-by: Maël Nison <[email protected]>

Author: tujoworker

.yarn/versions/301df8df.yml

@@ -0,0 +1,23 @@
+releases:
+  "@yarnpkg/cli": patch
+  "@yarnpkg/plugin-essentials": patch
+
+declined:
+  - "@yarnpkg/plugin-compat"
+  - "@yarnpkg/plugin-constraints"
+  - "@yarnpkg/plugin-dlx"
+  - "@yarnpkg/plugin-init"
+  - "@yarnpkg/plugin-interactive-tools"
+  - "@yarnpkg/plugin-nm"
+  - "@yarnpkg/plugin-npm-cli"
+  - "@yarnpkg/plugin-pack"
+  - "@yarnpkg/plugin-patch"
+  - "@yarnpkg/plugin-pnp"
+  - "@yarnpkg/plugin-pnpm"
+  - "@yarnpkg/plugin-stage"
+  - "@yarnpkg/plugin-typescript"
+  - "@yarnpkg/plugin-version"
+  - "@yarnpkg/plugin-workspace-tools"
+  - "@yarnpkg/builder"
+  - "@yarnpkg/core"
+  - "@yarnpkg/doctor"

packages/plugin-essentials/sources/commands/install.ts

@@ -88,6 +88,7 @@ export default class YarnCommand extends BaseCommand {
   production = Option.Boolean(`--production`, {hidden: true});
   registry = Option.String(`--registry`, {hidden: true});
   silent = Option.Boolean(`--silent`, {hidden: true});
+  networkTimeout = Option.String(`--network-timeout`, {hidden: true});
 
   async execute() {
     const configuration = await Configuration.find(this.context.cwd, this.context.plugins);