Update macos-dmg.yml

Author: BuddySirJava

.github/workflows/macos-dmg.yml

@@ -33,10 +33,20 @@ jobs:
       - name: Setup Homebrew and dependencies
         run: |
           brew update-reset
-          brew install meson ninja pkg-config glib gtk4 libadwaita pygobject3 gtksourceview5 [email protected] gtk-mac-bundler
+          brew install meson ninja pkg-config glib gtk4 libadwaita pygobject3 gtksourceview5 [email protected] automake
           brew --version
           brew list --versions
 
+      - name: Build gtk-mac-bundler from source
+        run: |
+          git clone https://gitlab.gnome.org/GNOME/gtk-mac-bundler.git
+          cd gtk-mac-bundler
+          ./autogen.sh --prefix=/usr/local
+          make -j$(sysctl -n hw.ncpu)
+          sudo make install
+          which gtk-mac-bundler
+          gtk-mac-bundler --version || true
+
       - name: Build blueprint-compiler from git (v0.18.0)
         run: |
           set -euxo pipefail