grep: update to 3.6

Signed-off-by: Rosen Penev <rosenp@gmail.com>

utils/grep/Makefile

@@ -8,12 +8,12 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=grep
-PKG_VERSION:=3.4
-PKG_RELEASE:=2
+PKG_VERSION:=3.6
+PKG_RELEASE:=1
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.xz
 PKG_SOURCE_URL:=@GNU/grep
-PKG_HASH:=58e6751c41a7c25bfc6e9363a41786cff3ba5709cf11d5ad903cf7cce31cc3fb
+PKG_HASH:=667e15e8afe189e93f9f21a7cd3a7b3f776202f417330b248c2ad4f997d9373e
 
 PKG_MAINTAINER:=Julen Landa Alustiza <julen@zokormazo.info>
 PKG_LICENSE:=GPL-3.0-or-later