gnu: dunst: Update to 1.13.0.

* gnu/packages/wm.scm (dunst): Update to 1.13.0

Closes: guix/guix#4241
Change-Id: Ib38e0788c25fd8ee834e987af99c6ef25cd780a3
Signed-off-by: 宋文武 <iyzsong@member.fsf.org>

gnu/packages/wm.scm

@@ -1976,7 +1976,7 @@ project derived from the original Calm Window Manager.")
 (define-public dunst
   (package
     (name "dunst")
-    (version "1.11.0")
+    (version "1.13.0")
     (source
      (origin
        (method git-fetch)
@@ -1985,7 +1985,7 @@ project derived from the original Calm Window Manager.")
              (commit (string-append "v" version))))
        (file-name (git-file-name name version))
        (sha256
-        (base32 "1ajpylwwh5c96hq9649gv4sqa6n5rdac41kicq3xf66pmfyny8bs"))))
+        (base32 "0hds1qdva07vw8km5dsac5j65p03lmbqf4s833sk0q78w9q8iy8w"))))
     (build-system gnu-build-system)
     (arguments
      (list