Install UPX

Author: Eeems

.github/workflows/main.yml

@@ -59,6 +59,10 @@ jobs:
       - name: Install brew packages
         if: matrix.os == 'macos-latest' || matrix.os == 'macos-15-intel'
         run: brew install coreutils
+      - name: Install UPX
+        uses: crazy-max/ghaction-upx@v3
+        with:
+          install-only: true
       - name: Checkout the Git repository
         uses: actions/checkout@v4
       - name: ccache