gnu: mgba: Update to 0.7.3.

* gnu/packages/emulators.scm (mgba): Update to 0.7.3.

gnu/packages/emulators.scm

@@ -405,7 +405,7 @@ Super Game Boy, BS-X Satellaview, and Sufami Turbo.")
 (define-public mgba
   (package
     (name "mgba")
-    (version "0.7.2")
+    (version "0.7.3")
     (source (origin
               (method git-fetch)
               (uri (git-reference
@@ -414,7 +414,7 @@ Super Game Boy, BS-X Satellaview, and Sufami Turbo.")
               (file-name (git-file-name name version))
               (sha256
                (base32
-                "0g0xa1mzvan0sl1p5c784j2g5mcw9kd2b7wiahy06gy0c1nmbcnp"))
+                "1wrmwh50rv8bd328r8cisrihq6h90kx2bfb0vmjfbsd3l1jvgrgm"))
               (modules '((guix build utils)))
               (snippet
                ;; Make sure we don't use the bundled software.