curl: Update to 8.9.1

curl: Update to 8.9.1

This update contains minor features, bugfixes, and addresses several CVEs:
* https://curl.se/docs/CVE-2024-6197.html
* https://curl.se/docs/CVE-2024-6874.html
* https://curl.se/docs/CVE-2024-7264.html

Full relese notes available at https://curl.se/ch/8.9.1.html

Backport a patch to fix a SIGPIPE issue found shortly after release:
https://curl.se/mail/distros-2024-08/0002.html

Signed-off-by: Robert Joslyn <robert.joslyn@redrectangle.org>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>