Update package version to 2.50.4

pkg.info

@@ -1,6 +1,6 @@
 name: webkitgtk
 description: Cross-platform web browser engine for GTK
-version: 2.50.3
+version: 2.50.4
 revision: 1
 url: https://webkitgtk.org/
 license: AFL2.0 OR GPL2-or-later,Apache-2.0,Apache-2.0 WITH LLVM-exception,BSD-2-Clause,BSD-2-Clause-Views,BSD-3-Clause,BSD-Source-Code,BSL1.0,GPL2-only,GPL3-only WITH Autoconf-exception-3.0,GPL3-or-later WITH Bison-exception-2.2,ICU,ISC,LGPL2.1-only,LGPL2.1-or-later,MIT,MPL1.1,MPL2,NCSA,NCSA OR MIT,OFL1.1,SunPro,Unicode-TOU,bzip2-1.0.6
@@ -64,7 +64,7 @@ downloads:
   - url: https://webkitgtk.org/releases/webkitgtk-${BPM_PKG_VERSION}.tar.xz
     extract_to: ${BPM_SOURCE}
     extract_strip_components: 1
-    checksum: 70a006b4695bb6b2e157e801f5a0d029f4110f050c6f0882decd8a3bf594d54f
+    checksum: d3bfa473845acfab72635bada5e0d134fda6792c5b95c5c5cd141b46125bd8e4
 split_packages:
   - name: webkitgtk4
     description: Cross-platform web browser engine for GTK4