ci/linux: Use AppRun.sh to start AppImage

The current AppRun is more difficult to update. This script still
uses the old version of AppImageKit-checkrt, but now we use the shell
script version so we can set our own environment variables as the
application starts up.

This specific version searches for and sets the correct root CA file to
prevent SSL errors in yuzu.

.ci/scripts/linux/docker.sh

@@ -35,11 +35,11 @@ rm -vf AppDir/usr/bin/yuzu-cmd AppDir/usr/bin/yuzu-tester
 # Download tools needed to build an AppImage
 wget -nc https://github.com/yuzu-emu/ext-linux-bin/raw/main/appimage/linuxdeploy-x86_64.AppImage
 wget -nc https://github.com/yuzu-emu/ext-linux-bin/raw/main/appimage/linuxdeploy-plugin-qt-x86_64.AppImage
-wget -nc https://github.com/yuzu-emu/ext-linux-bin/raw/main/appimage/AppRun-patched-x86_64
+wget -nc https://raw.githubusercontent.com/yuzu-emu/AppImageKit-checkrt/old/AppRun.sh
 wget -nc https://github.com/yuzu-emu/ext-linux-bin/raw/main/appimage/exec-x86_64.so
 # Set executable bit
 chmod 755 \
-    AppRun-patched-x86_64 \
+    AppRun.sh \
     exec-x86_64.so \
     linuxdeploy-x86_64.AppImage \
     linuxdeploy-plugin-qt-x86_64.AppImage
@@ -60,6 +60,6 @@ find AppDir -type f -regex '.*libwayland-client\.so.*' -delete -print
 # Workaround for building yuzu with GCC 10 but also trying to distribute it to Ubuntu 18.04 et al.
 # See https://github.com/darealshinji/AppImageKit-checkrt
 cp exec-x86_64.so AppDir/usr/optional/exec.so
-cp AppRun-patched-x86_64 AppDir/AppRun
+cp AppRun.sh AppDir/AppRun
 cp --dereference /usr/lib/x86_64-linux-gnu/libstdc++.so.6 AppDir/usr/optional/libstdc++/libstdc++.so.6
 cp --dereference /lib/x86_64-linux-gnu/libgcc_s.so.1 AppDir/usr/optional/libgcc_s/libgcc_s.so.1