haproxy: Update HAProxy to v2.4.15

- Update haproxy download URL and hash

Signed-off-by: Christian Lachner <gladiac@gmail.com>

net/haproxy/Makefile

@@ -10,12 +10,12 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=haproxy
-PKG_VERSION:=2.4.14
+PKG_VERSION:=2.4.15
 PKG_RELEASE:=$(AUTORELEASE)
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
 PKG_SOURCE_URL:=https://www.haproxy.org/download/2.4/src
-PKG_HASH:=e6346b406b911b94c88eb05a5f622d53d49ffc247468fb03c12a4ffe3cc5ff04
+PKG_HASH:=3958b17b7ee80eb79712aaf24f0d83e753683104b36e282a8b3dcd2418e30082
 
 PKG_MAINTAINER:=Thomas Heil <heil@terminal-consulting.de>, \
 		Christian Lachner <gladiac@gmail.com>

net/haproxy/get-latest-patches.sh

@@ -1,7 +1,7 @@
 #!/bin/sh
 
 CLONEURL=https://git.haproxy.org/git/haproxy-2.4.git
-BASE_TAG=v2.4.14
+BASE_TAG=v2.4.15
 TMP_REPODIR=tmprepo
 PATCHESDIR=patches