gnu: libmediaart: Update to 1.9.5.

* gnu/packages/gnome.scm (libmediaart): Update to 1.9.5.
[arguments]: Use meson-next.

gnu/packages/gnome.scm

@@ -1407,7 +1407,7 @@ and implementation of UPnP A/V profiles.")
 (define-public libmediaart
   (package
     (name "libmediaart")
-    (version "1.9.4")
+    (version "1.9.5")
     (source (origin
               (method url-fetch)
               (uri (string-append "mirror://gnome/sources/" name "/"
@@ -1415,8 +1415,10 @@ and implementation of UPnP A/V profiles.")
                                   name "-" version ".tar.xz"))
               (sha256
                (base32
-                "0gc10imyabk57ar54m0qzms0x9dnmkymhkzyk8w1aj3y4lby0yx5"))))
-    (build-system gnu-build-system)
+                "1mlw1qgj8nkd9ll6b6h54r1gfdy3zp8a8xqz7qfyfaj85jjgbph7"))))
+    (build-system meson-build-system)
+    (arguments
+     `(#:meson ,meson-next))
     (native-inputs
      `(("glib:bin" ,glib "bin")
        ("pkg-config" ,pkg-config)))