package/c-ares: update site url

Download URLs changed after hosting of the c-ares website changed
ownership:
https://daniel.haxx.se/blog/2024/06/06/bye-bye-hosting-c-ares-web/

This cannot be fixed upstream as github pages does not support .htaccess
files according to:
https://github.com/c-ares/c-ares.github.io/issues/2

Signed-off-by: Alexander Wellbrock <a.wellbrock@mailbox.org>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

package/c-ares/c-ares.mk

@@ -5,7 +5,7 @@
 ################################################################################
 
 C_ARES_VERSION = 1.27.0
-C_ARES_SITE = http://c-ares.haxx.se/download
+C_ARES_SITE = https://github.com/c-ares/c-ares/releases/download/cares-1_27_0
 C_ARES_INSTALL_STAGING = YES
 C_ARES_CONF_OPTS = --with-random=/dev/urandom
 C_ARES_LICENSE = MIT