Deprecate PySide6 AppImage testing.

.github/workflows/app-build-verify.yml

@@ -86,13 +86,13 @@ jobs:
         echo "system-python-version=${SYSTEM_PYTHON_VER}" | tee -a ${GITHUB_OUTPUT}
 
     - name: Checkout ${{ inputs.repository }}
-      uses: actions/[email protected].6
+      uses: actions/[email protected].7
       with:
         repository: ${{ inputs.repository }}
         fetch-depth: 0
 
     - name: Checkout ${{ inputs.workflow-repo }}${{ inputs.workflow-repo-ref && format('@{0}', inputs.workflow-repo-ref) || '' }}
-      uses: actions/[email protected].6
+      uses: actions/[email protected].7
       with:
         repository: ${{ inputs.workflow-repo }}
         ref: ${{ inputs.workflow-repo-ref }}
@@ -365,10 +365,8 @@ jobs:
         xvfb-run briefcase run linux system --target opensuse/tumbleweed:latest
         briefcase package linux system --target opensuse/tumbleweed:latest --adhoc-sign
 
-        # Disabling OpenSUSE install test until beeware/briefcase#1802 is resolved
-        #
-        # docker run --volume $(pwd)/dist:/dist opensuse/tumbleweed \
-        #  sh -c "zypper --non-interactive --no-gpg-checks install --dry-run /dist/*-0.0.1-1.x86_64.rpm"
+        docker run --volume $(pwd)/dist:/dist opensuse/tumbleweed \
+          sh -c "zypper --non-interactive --no-gpg-checks install --dry-run /dist/*-0.0.1-1.x86_64.rpm"
 
     - name: Build AppImage Project
       # 2023-09-11 AppImage dropped to "best effort" support.
@@ -378,7 +376,9 @@ jobs:
       # push) is fundamentally incompatible with using an old base image. As of today,
       # it's impossible to install Toga on *any* manylinux image (
       # https://gitlab.gnome.org/GNOME/pygobject/-/issues/590); PySide2 can't be
-      # installed on any *supported* manylinux image, and PySide6 only works on 2_28.
+      # installed on any *supported* manylinux image; PySide6 only publishes 2_28 wheels,
+      # but even then, it segfaults when the AppImage starts.
+      #
       # Even when the install *does* work, there are so many incompatibility and
       # binary dependency issues that it's just not worth the oxygen to keep this thing
       # alive.
@@ -388,6 +388,7 @@ jobs:
         startsWith(inputs.runner-os, 'ubuntu')
         && contains(fromJSON('["Linux"]'), inputs.target-platform)
         && contains(fromJSON('["AppImage"]'), inputs.target-format)
+        && "${{ startsWith(inputs.framework, 'pyside6') }}" = "false"
       working-directory: ${{ steps.create.outputs.project-path }}
       env:
         PKG_TAG: ${{ steps.docker.outputs.tag-base }}-appimage