package/zsh: security bump to version 5.9

Security and bug fix release with several feature additions.

https://zsh.sourceforge.io/releases.html

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/zsh/zsh.hash

@@ -1,3 +1,3 @@
 # Locally calculated
-sha256  b6973520bace600b4779200269b1e5d79e5f505ac4952058c11ad5bbf0dd9919  zsh-5.8.1.tar.xz
+sha256  9b8d1ecedd5b5e81fbf1918e876752a7dd948e05c1a0dba10ab863842d45acd5  zsh-5.9.tar.xz
 sha256  d06fdf3ef9b1ec69d6b9e170b0a9516fbad3523261ff1668bde3bfea6e0ef5f5  LICENCE

package/zsh/zsh.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-ZSH_VERSION = 5.8.1
+ZSH_VERSION = 5.9
 ZSH_SITE = http://www.zsh.org/pub
 ZSH_SOURCE = zsh-$(ZSH_VERSION).tar.xz
 ZSH_DEPENDENCIES = ncurses