gnu: zsh: Update to 5.8.

* gnu/packages/shells.scm (zsh): Update to 5.8.

Signed-off-by: Leo Famulari <leo@famulari.name>

gnu/packages/shells.scm

@@ -396,7 +396,7 @@ (define-public tcsh
 (define-public zsh
   (package
     (name "zsh")
-    (version "5.7.1")
+    (version "5.8")
     (source (origin
               (method url-fetch)
               (uri (list (string-append
@@ -407,7 +407,7 @@ (define-public zsh
                            ".tar.xz")))
               (sha256
                (base32
-                "1s3yww0mzgvpc48kp0x868mm3gbna42sbgzya0nknj0x5hn2jq3j"))))
+                "09yyaadq738zlrnlh1hd3ycj1mv3q5hh4xl1ank70mjnqm6bbi6w"))))
     (build-system gnu-build-system)
     (arguments `(#:configure-flags '("--with-tcsetpgrp" "--enable-pcre"
                                      "--enable-maildir-support")