Merge pull request #1314 from EnterpriseDB/upm-114946

chore(UPM-114946): Fix the beaconAgent.providers value from kubernetes to k8s

Author: gvasquezvargas

product_docs/docs/edb-postgres-ai/1.4/hybrid-manager/install/install_guide/install_hm.mdx

@@ -118,7 +118,7 @@ spec:
     accessKey: "your-access-key"
     logLevel: info
     providers:
-      - kubernetes
+      - appliance
     provisioning:
       imageDiscovery: true
       imagesetDiscoveryAuthenticationType: "basic"