v0.9.7

• plugin: fix crash on non-existent XMPP client
• requirements: update certifi, sentry_sdk, slixmpp
• wgc: fix exception on local folder permission issues
• wgc/api: improve product list logging
• wgc/api: improve showcase fetch logging
• wgc/authserver: improve login UX
• wgc/wgni: improve OAuth response handling
• wgc/wgni: improve incorrect server response handling