[Bug] pulsar-admin 2.x links don't properly link to 3.2

### Search before asking

- [X] I searched in the [issues](https://github.com/apache/pulsar/issues) and found nothing similar.

### Read release policy

- [X] I understand that unsupported versions don't get bug fixes. I will attempt to reproduce the issue on a supported version of Pulsar client and Pulsar broker.

### Version

Chrome

### Minimal reproduce step

Visit https://pulsar.apache.org/docs/2.10.x/pulsar-admin/ and click the `We recommend you use the 3.2.x.` link

### What did you expect to see?

The 3.2 docs

### What did you see instead?


### Anything else?

_No response_

### Are you willing to submit a PR?

- [ ] I'm willing to submit a PR!

Start at https://pulsar.apache.org/docs/2.10.x/pulsar-admin/ and inspect the `We recommend you use the 3.2.x.` link. Verify its destination against the published 3.2 documentation URL, then confirm that clicking it opens the 3.2 docs rather than an incorrect or unavailable page.

Written by the indexing model from the issue text.