Change SWC minify from beta to release candidate (vercel#34056)

Given we've spent a ton of time testing and fixing minifier bugs the majority of cases should now be covered.



## Bug

- [ ] Related issues linked using `fixes #number`
- [ ] Integration tests added
- [ ] Errors have helpful link attached, see `contributing.md`

## Feature

- [ ] Implements an existing feature request or RFC. Make sure the feature request has been accepted for implementation before opening a PR.
- [ ] Related issues linked using `fixes #number`
- [ ] Integration tests added
- [ ] Documentation added
- [ ] Telemetry added. In case of a feature if it's used or not.
- [ ] Errors have helpful link attached, see `contributing.md`

## Documentation / Examples

- [ ] Make sure the linting passes by running `yarn lint`

packages/next/server/config.ts

@@ -367,7 +367,7 @@ function assignDefaults(userConfig: { [key: string]: any }) {
 
   if (result.swcMinify) {
     Log.warn(
-      'SWC minify beta enabled. https://nextjs.org/docs/messages/swc-minify-enabled'
+      'SWC minify release candidate enabled. https://nextjs.org/docs/messages/swc-minify-enabled'
     )
   }