fix: fix mupdf link

Author: rwv

.github/workflows/build.yml

@@ -24,8 +24,8 @@ jobs:
       - name: Build MuPDF
         # https://mupdf.readthedocs.io/en/latest/quick-start-guide.html
         run: |
-          wget https://mupdf.com/downloads/archive/mupdf-1.24.10-source.tar.xz
-          tar -xf mupdf-1.24.10-source.tar.xz
+          wget https://mupdf.com/downloads/archive/mupdf-1.24.10-source.tar.lz
+          tar -xf mupdf-1.24.10-source.tar.lz
           cd mupdf-1.24.10-source
           make HAVE_X11=no HAVE_GLUT=no prefix=/usr/local install