package/haproxy: security bump to version 2.6.9
Fix CVE-2023-25725
https://www.mail-archive.com/haproxy@formilux.org/msg43229.html
https://www.mail-archive.com/haproxy@formilux.org/msg43224.html
Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>