fix(@angular/cli): pass next option to all update logic

Fixes #16015

Author: clydin

packages/angular/cli/commands/update-impl.ts

@@ -542,6 +542,7 @@ export class UpdateCommand extends Command<UpdateCommandSchema> {
     const { success } = await this.executeSchematic('@schematics/update', 'update', {
       verbose: options.verbose || false,
       force: options.force || false,
+      next: !!options.next,
       packageManager: this.packageManager,
       packages: packagesToUpdate,
       migrateExternal: true,