fix: Install UPX in build workflow

Added step to install UPX for binary compression.

Author: spiritLHLS

.github/workflows/build_binary.yaml

@@ -40,6 +40,11 @@ jobs:
         with:
           go-version: 1.25.4
 
+      - name: Install UPX
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y upx-ucl
+
       - name: Configure Git for Private Modules
         run: |
           git config --global url."https://${{ secrets.GHT }}@github.com/".insteadOf "https://github.com/"