system/{c-ares,sudo,yaml}: fix URL

system/c-ares/APKBUILD

@@ -4,7 +4,7 @@ pkgname=c-ares
 pkgver=1.14.0
 pkgrel=0
 pkgdesc="Asynchronous DNS/name resolver library"
-url="http://c-ares.haxx.se/"
+url="https://c-ares.haxx.se/"
 arch="all"
 options="!checkroot"
 license="MIT"

system/sudo/APKBUILD

@@ -11,7 +11,7 @@ else
 fi
 pkgrel=2
 pkgdesc="Give certain users the ability to run some commands as root"
-url="http://www.sudo.ws/sudo/"
+url="https://www.sudo.ws/sudo/"
 arch="all"
 options="suid"
 license="ISC AND MIT AND BSD-3-Clause AND BSD-2-Clause AND Zlib"

system/yaml/APKBUILD

@@ -4,7 +4,7 @@ pkgname=yaml
 pkgver=0.1.7
 pkgrel=0
 pkgdesc="YAML 1.1 parser and emitter written in C"
-url="http://pyyaml.org/wiki/LibYAML"
+url="https://pyyaml.org/wiki/LibYAML"
 arch="all"
 license="MIT"
 depends=""