Merge pull request #527 from soerenschneider/renovate/gotify-server-2.x

chore(deps): update gotify/server docker tag to v2.7.3

Author: soerenschneider

apps/gotify/deployment.yaml

@@ -28,7 +28,7 @@ spec:
           type: "RuntimeDefault"
       containers:
         - name: "gotify"
-          image: "gotify/server:2.6.3"
+          image: "gotify/server:2.7.3"
           imagePullPolicy: "IfNotPresent"
           securityContext:
             runAsUser: 43444