Merge branch '2.2' into 3.0

# Conflicts:
#	.github/workflows/testing.yml
#	CHANGELOG
#	appveyor.yml
#	dev-requirements.txt
#	gns3server/compute/base_node.py
#	gns3server/controller/__init__.py
#	gns3server/controller/appliance_manager.py
#	gns3server/crash_report.py
#	gns3server/static/web-ui/index.html
#	gns3server/utils/get_resource.py
#	gns3server/version.py
#	gns3server/web/route.py
#	requirements.txt
#	tests/handlers/api/compute/test_qemu.py
#	win-requirements.txt

.github/workflows/testing.yml

@@ -17,7 +17,7 @@ jobs:
 
     strategy:
       matrix:
-        python-version: ["3.7", "3.8", "3.9", "3.10"]
+        python-version: ["3.7", "3.8", "3.9", "3.10", "3.11"]
 
     steps:
     - uses: actions/checkout@v2