Redirects should not trigger 429 responses

[jonoaldersonwp]

Requests to ​https://wordpress.org/tags/privacy/page/15 are redirected to ​https://wordpress.org/support/topic-tag/privacy/page/15/.

However, in the process, there are several interstitial redirects (the change in path, and, appending the trailing slash).

This frequently triggers a 429 error for Google (and presumably other systems).

To address this:

• Rate limiting on 301 redirects should be removed (or radically relaxed).
• Redirect rules should be consolidated (e.g., alter the path and append the trailing slash in a single process)

[jonoaldersonwp]

NB, I suspect this is responsible for hundreds of small oddities that I've been seeing but unable to diagnose over the past few months. Aside from fixing the underlying issue, this would clean up our reporting significantly (and thus make it easier to find/manage other issues).