Update spine-godot-v4.yml

.github/workflows/spine-godot-v4.yml

@@ -87,6 +87,36 @@ jobs:
         with:
           name: ${{ format('{0}-{1}{2}.zip', 'godot-editor-linux', env.GODOT_TAG, env.GODOT_MONO_UPLOAD_SUFFIX) }}
           path: spine-godot/godot/bin/**/*
+         
+  build-linux-arm64:
+    runs-on: ubuntu-22.04-arm
+    steps:
+      - uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
+
+      - name: Setup python and scons
+        uses: ./.github/actions/setup-godot-deps-4
+        with:
+          # Sync with Ensure*Version in SConstruct.
+          python-arch: arm64
+
+      - name: Install dependencies
+        run: |
+          sudo apt-get update
+          sudo apt-get install build-essential scons pkg-config libx11-dev libxcursor-dev libxinerama-dev libgl1-mesa-dev libglu-dev libasound2-dev libpulse-dev libudev-dev libxi-dev libxrandr-dev
+
+      - name: Build GDExtension
+        run: |
+          cd spine-godot/build
+          ./setup-extension.sh $GODOT_TAG $DEV_BUILD
+          ./build-extension.sh linux
+
+      - name: Upload artifacts
+        uses: actions/upload-artifact@v4
+        with:
+          name: gdextension-linux-arm64-${{ env.GODOT_TAG }}
+          path: spine-godot/example-v4-extension/bin/linux/*.so
 
   godot-editor-macos:
     runs-on: macos-latest