Update package version to 1.28.4

info.yml

@@ -1,6 +1,6 @@
 name: mupdf
 description: Lightweight PDF and XPS viewer
-version: 1.28.2
+version: 1.28.4
 revision: 1
 url: https://mupdf.com/
 license: AGPL3-or-later
@@ -34,7 +34,7 @@ downloads:
   - url: https://www.mupdf.com/downloads/archive/mupdf-${BPM_PKG_VERSION}-source.tar.gz
     extract_to: ${BPM_SOURCE}
     extract_strip_components: 1
-    checksum: 44075a84e329db55b9bef5f342a70fd26d69e48ad1d33cb89d9664581c641156
+    checksum: 2d97e043a616f96b148657c9c3d81ad71c4bd2052c59a2a3315ad842599340f9
 split_packages:
   - name: mupdf
     depends: