Fix Wrangler config Pages docs (#21437)

Author: GregBrimble

src/content/docs/workers/wrangler/configuration.mdx

@@ -1292,8 +1292,7 @@ Wrangler uses this generated configuration only for the following deploy and dev
 - `wrangler versions upload`
 - `wrangler versions deploy`
 - `wrangler pages deploy`
-- `wrangler pages build`
-- `wrangler pages build-env`
+- `wrangler pages functions build`
 
 When running these commands, Wrangler looks up the directory tree from the current working directory for a file at the path `.wrangler/deploy/config.json`.
 This file must contain only a single JSON object of the form: