fix: update @angular/material@9 when using windows

Author: GregoireLgt

src/app/recommendations.ts

@@ -87,7 +87,7 @@ export const RECOMMENDATIONS: Step[] = [
   { possibleIn: 900, necessaryAsOf: 900, level: 1, windows: true, step: 'ng update v9', action: 'Run `cmd /C "set "NG_DISABLE_VERSION_CHECK=1" && npx @angular/cli@9 update @angular/cli@9 @angular/core@9"` which should bring you to version 9 of Angular.' },
   { possibleIn: 900, necessaryAsOf: 900, level: 1, step: 'typescript 3.8', action: 'Your project has now been updated to TypeScript 3.8, read more about new compiler checks and errors that might require you to fix issues in your code in the [TypeScript 3.7](https://www.typescriptlang.org/docs/handbook/release-notes/typescript-3-7.html) or [TypeScript 3.8](https://www.typescriptlang.org/docs/handbook/release-notes/typescript-3-8.html) announcements.', },
   { possibleIn: 900, necessaryAsOf: 900, level: 1, windows: false, material: true, step: 'update @angular/material', action: 'Run `NG_DISABLE_VERSION_CHECK=1 npx @angular/cli@9 update @angular/material@9`.' },
-  { possibleIn: 900, necessaryAsOf: 900, level: 1, windows: true, material: true, step: 'update @angular/material', action: 'Run `cmd /C "set "NG_DISABLE_VERSION_CHECK=1" && npx @angular/cli@9 update @angular/cli@9 @angular/core@9"`.' },
+  { possibleIn: 900, necessaryAsOf: 900, level: 1, windows: true, material: true, step: 'update @angular/material', action: 'Run `cmd /C "set "NG_DISABLE_VERSION_CHECK=1" && npx @angular/cli@9 update @angular/material@9"`.' },
   { possibleIn: 900, necessaryAsOf: 900, level: 3, windows: false, step: 'update @nguniversal/hapi-engine', action: 'If you use Angular Universal, run `NG_DISABLE_VERSION_CHECK=1 npx @angular/cli@9 update @nguniversal/hapi-engine@9` or `NG_DISABLE_VERSION_CHECK=1 npx @angular/cli@9 update @nguniversal/express-engine@9` depending on the engine you use. This step may require the `--force` flag if any of your third-party dependencies have not updated the Angular version of their peer dependencies.' },
   { possibleIn: 900, necessaryAsOf: 900, level: 3, windows: true, step: 'update @nguniversal/hapi-engine', action: 'If you use Angular Universal, run `cmd /C "set "NG_DISABLE_VERSION_CHECK=1" && npx @angular/cli@9 update @nguniversal/hapi-engine@9"` or `cmd /C "set "NG_DISABLE_VERSION_CHECK=1" && npx @angular/cli@9 update @nguniversal/express-engine@9"` depending on the engine you use. This step may require the `--force` flag if any of your third-party dependencies have not updated the Angular version of their peer dependencies.' },
   { possibleIn: 900, necessaryAsOf: 900, level: 1, step: 'dependencies update', action: 'If your project depends on other Angular libraries, we recommend that you consider updating to their latest version. In some cases this update might be required in order to resolve API incompatibilities. Consult `ng update` or `npm outdated` to learn about your outdated libraries.' },