[flyctl-bot] Update docs from flyctl (#2009)

Co-authored-by: Fly.io CI <[email protected]>

Author: docs-syncer[bot]

flyctl/cmd/fly_managed-postgres_connect.md

@@ -8,8 +8,9 @@ fly managed-postgres connect [flags]
 ## Options
 
 ~~~
-  -h, --help         help for connect
-  -o, --org string   The target Fly.io organization
+      --cluster string   The target cluster ID
+  -h, --help             help for connect
+  -o, --org string       The target Fly.io organization
 ~~~
 
 ## Global Options

flyctl/cmd/fly_managed-postgres_proxy.md

@@ -8,9 +8,10 @@ fly managed-postgres proxy [flags]
 ## Options
 
 ~~~
-  -h, --help            help for proxy
-  -o, --org string      The target Fly.io organization
-  -r, --region string   The target region (see 'flyctl platform regions')
+      --cluster string   The target cluster ID
+  -h, --help             help for proxy
+  -o, --org string       The target Fly.io organization
+  -r, --region string    The target region (see 'flyctl platform regions')
 ~~~
 
 ## Global Options