fix(completions): complete deploy targets for generate too

Author: danielroe

packages/nuxt-cli/src/completions.ts

@@ -26,10 +26,9 @@ export async function initCompletions<T extends ArgsDef = ArgsDef>(command: Comm
     }
   }
 
-  const buildCommand = completion.commands.get('build')
-  if (buildCommand) {
+  for (const command of ['build', 'generate']) {
     for (const name of ['target', 'preset']) {
-      const option = buildCommand.options.get(name)
+      const option = completion.commands.get(command)?.options.get(name)
       if (option) {
         option.handler = (complete) => {
           for (const preset of nitroPresets) {