Correct description of HTTP status code 308. (GH-15098)

Permanent redirect was explained as a temporary redirect.
(cherry picked from commit 5c72badd06a962fe0018ceb9916f3ae66314ea8e)

Co-authored-by: Florian Wendelborn <1133858+FlorianWendelborn@users.noreply.github.com>
1 file changed