fix run command

azure-pipelines-integrationtests.yml

@@ -32,7 +32,7 @@ jobs:
       rm -rf $(osascript -e "POSIX path of (path to application id \"net.avaloniaui.avalonia.integrationtestapp\")")
       pkill IntegrationTestApp
       ./samples/IntegrationTestApp/bundle.sh
-      open -n ./samples/IntegrationTestApp/bin/Debug/net6.0/osx-arm64/publish/IntegrationTestApp.app
+      open -n ./samples/IntegrationTestApp/bin/Debug/net7.0/osx-arm64/publish/IntegrationTestApp.app
       pkill IntegrationTestApp
 
   - task: DotNetCoreCLI@2