gnu: pango: Update to 1.42.4.

* gnu/packages/gtk.scm (pango): Update to 1.42.4.

gnu/packages/gtk.scm

@@ -217,7 +217,7 @@ affine transformation (scale, rotation, shear, etc.).")
 (define-public pango
   (package
    (name "pango")
-   (version "1.42.3")
+   (version "1.42.4")
    (source (origin
             (method url-fetch)
             (uri (string-append "mirror://gnome/sources/pango/"
@@ -225,7 +225,7 @@ affine transformation (scale, rotation, shear, etc.).")
                                 name "-" version ".tar.xz"))
             (sha256
              (base32
-              "0fnybmdrbx1d9g0rsxa4b31hvrh377n2ziz5rl13y56m0m9qfggv"))))
+              "17bwb7dgbncrfsmchlib03k9n3xaalirb39g3yb43gg8cg6p8aqx"))))
    (build-system gnu-build-system)
    (propagated-inputs
     ;; These are all in Requires or Requires.private of the '.pc' files.