fix: correct Azure deployment path in meta.json

- Fix typo in Azure deployment path from 'azures' to 'azure'

Author: opemipodisu

docs/content/docs/self-hosting/meta.json

@@ -11,7 +11,7 @@
     "deployment/docker",
     "deployment/kubernetes",
     "deployment/aws-ec2",
-    "deployment/azures",
+    "deployment/azure",
     "deployment/google-cloud",
     "deployment/digitalocean",
     "---Manage Instance---",