CI: Use OS zlib for MacOS

Because the updater doesn't get fixup'd, so the dylib doesn't get added
to its bundle.

CMakeModules/DuckStationDependencies.cmake

@@ -11,7 +11,7 @@ if(NOT WIN32 AND NOT ANDROID)
 
   find_package(Zstd 1.5.5 REQUIRED)
   find_package(WebP REQUIRED) # v1.3.2, spews an error on Linux because no pkg-config.
-  find_package(ZLIB 1.3 REQUIRED)
+  find_package(ZLIB REQUIRED) # 1.3, but Mac currently doesn't use it.
   find_package(PNG 1.6.40 REQUIRED)
   find_package(JPEG REQUIRED) # No version because flatpak uses libjpeg-turbo.
   find_package(CURL REQUIRED)

scripts/build-dependencies-mac.sh

@@ -99,14 +99,15 @@ make -C build "-j$NPROCS"
 make -C build install
 cd ..
 
-echo "Installing Zlib..."
-rm -fr "zlib-$ZLIB"
-tar xf "zlib-$ZLIB.tar.gz"
-cd "zlib-$ZLIB"
-cmake -B build "${CMAKE_COMMON[@]}" "$CMAKE_ARCH_UNIVERSAL" -DBUILD_SHARED_LIBS=ON -DZLIB_BUILD_EXAMPLES=OFF
-make -C build "-j$NPROCS"
-make -C build install
-cd ..
+# Temporarily disabled, because the updater doesn't get fixup'd, so the dylib doesn't get added to its bundle.
+#echo "Installing Zlib..."
+#rm -fr "zlib-$ZLIB"
+#tar xf "zlib-$ZLIB.tar.gz"
+#cd "zlib-$ZLIB"
+#cmake -B build "${CMAKE_COMMON[@]}" "$CMAKE_ARCH_UNIVERSAL" -DBUILD_SHARED_LIBS=ON -DZLIB_BUILD_EXAMPLES=OFF
+#make -C build "-j$NPROCS"
+#make -C build install
+#cd ..
 
 echo "Installing Zstd..."
 rm -fr "zstd-$ZSTD"