kitchen: Updates for v0.5

Kitchen v0.5 a few changes that affect the deployment:

* The Bored Board is now backed by MQTT
* The pool temperature is now displayed in the weather pane
* The container image is now based on Fedora and includes its own time
  zone database and root CA bundle
* The websocket server prevents the process from stopping correctly
  unless the graceful shutdown feature of `uvicorn` is disabled

kitchen/kitchen.yaml

@@ -35,11 +35,10 @@ spec:
         image: git.pyrocufflink.net/packages/kitchen:master
         args:
         - --host=0.0.0.0
+        - --timeout-graceful-shutdown=0
         env:
         - name: TZ
           value: America/Chicago
-        - name: SSL_CERT_FILE
-          value: /usr/lib/python3.10/site-packages/certifi/cacert.pem
         imagePullPolicy: Always
         ports:
         - containerPort: 8000
@@ -49,9 +48,6 @@ spec:
           mountPath: /kitchen.yaml
           subPath: config.yaml
           readOnly: true
-        - name: tzinfo
-          mountPath: /usr/share/zoneinfo
-          readOnly: true
       volumes:
       - name: config
         secret: