gnu: zenity: Update to 3.30.0.

* gnu/packages/gnome.scm (zenity): Update to 3.30.0.

gnu/packages/gnome.scm

@@ -4926,7 +4926,7 @@ powerful general purpose text editor.")
 (define-public zenity
   (package
     (name "zenity")
-    (version "3.28.1")
+    (version "3.30.0")
     (source (origin
               (method url-fetch)
               (uri (string-append "mirror://gnome/sources/" name "/"
@@ -4934,7 +4934,7 @@ powerful general purpose text editor.")
                                   name "-" version ".tar.xz"))
               (sha256
                (base32
-                "0swavrkc5ps3fwzy6h6l5mmim0wwy10xrq0qqkay5d0zf9a965yv"))))
+                "1wipnp46pd238z9ck5rsckbaw7yla6c936fswq5w94k4c6bgcplr"))))
     (build-system gnu-build-system)
     (native-inputs
      `(("gettext" ,gettext-minimal)