fix(ci): appimagetool

.github/workflows/build.yml

@@ -27,6 +27,12 @@ jobs:
       - name: Build server
         run: cargo build --release
 
+
+      - name: Install appimagetool
+        run: |
+            wget https://github.com/AppImage/AppImageKit/releases/download/continuous/appimagetool-$(uname -m).AppImage -O /usr/local/bin/appimagetool \
+            chmod +x /usr/local/bin/appimagetool \
+            sed -i 's|AI\x02|\x00\x00\x00|' /usr/local/bin/appimagetool
       - name: Install cargo-appimage
         run: cargo install cargo-appimage