luarocks: bump to version 2.3.0

[Peter: add .hash file]
Signed-off-by: Francois Perrad <francois.perrad@gadz.org>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/luarocks/luarocks.hash

@@ -0,0 +1,2 @@
+# Locally calculated
+sha256	68e38feeb66052e29ad1935a71b875194ed8b9c67c2223af5f4d4e3e2464ed97  luarocks-2.3.0.tar.gz

package/luarocks/luarocks.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-LUAROCKS_VERSION = 2.2.2
+LUAROCKS_VERSION = 2.3.0
 LUAROCKS_SITE = http://luarocks.org/releases
 LUAROCKS_LICENSE = MIT
 LUAROCKS_LICENSE_FILES = COPYING