GHA CI: use static versions of AppImage builder

It does not affect the produced artifacts. The only difference is the
tool itself won't depend on some specific OS image or library version.

PR qbittorrent#20983.

Author: Chocobo1

.github/workflows/ci_ubuntu.yaml

@@ -138,12 +138,12 @@ jobs:
           curl \
             -L \
             -Z \
-            -O https://github.com/linuxdeploy/linuxdeploy/releases/download/continuous/linuxdeploy-x86_64.AppImage \
-            -O https://github.com/linuxdeploy/linuxdeploy-plugin-qt/releases/download/continuous/linuxdeploy-plugin-qt-x86_64.AppImage \
+            -O https://github.com/linuxdeploy/linuxdeploy/releases/download/continuous/linuxdeploy-static-x86_64.AppImage \
+            -O https://github.com/linuxdeploy/linuxdeploy-plugin-qt/releases/download/continuous/linuxdeploy-plugin-qt-static-x86_64.AppImage \
             -O https://github.com/linuxdeploy/linuxdeploy-plugin-appimage/releases/download/continuous/linuxdeploy-plugin-appimage-x86_64.AppImage
           chmod +x \
-            linuxdeploy-x86_64.AppImage \
-            linuxdeploy-plugin-qt-x86_64.AppImage \
+            linuxdeploy-static-x86_64.AppImage \
+            linuxdeploy-plugin-qt-static-x86_64.AppImage \
             linuxdeploy-plugin-appimage-x86_64.AppImage
 
       - name: Prepare files for AppImage
@@ -156,12 +156,12 @@ jobs:
 
       - name: Package AppImage
         run: |
-          ./linuxdeploy-x86_64.AppImage --appdir qbittorrent --plugin qt
+          ./linuxdeploy-static-x86_64.AppImage --appdir qbittorrent --plugin qt
           rm qbittorrent/apprun-hooks/*
           cp .github/workflows/helper/appimage/export_vars.sh qbittorrent/apprun-hooks/export_vars.sh
           NO_APPSTREAM=1 \
             OUTPUT=upload/qbittorrent-CI_Ubuntu_x86_64.AppImage \
-            ./linuxdeploy-x86_64.AppImage --appdir qbittorrent --output appimage
+            ./linuxdeploy-static-x86_64.AppImage --appdir qbittorrent --output appimage
 
       - name: Upload build artifacts
         uses: actions/upload-artifact@v4