Fix API7 Enterprise admin URL to use HTTPS on port 7443

Changed adminUrl to use HTTPS instead of HTTP:
- Before: http://api7ee3-0-1759339083-dashboard:7080
- After: https://api7ee3-0-1759339083-dashboard:7443

Also enabled tlsSkipVerify for the dashboard's self-signed certificate.

Testing revealed that:
- Port 7080 HTTP doesn't work (pod listens on 7081 localhost only)
- Port 7443 HTTPS is the correct admin API endpoint
- Self-signed certificate requires TLS verification skip

This fixes the ADC sync job 404 errors.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

helm/api7ee-demo-k8s/values.yaml

@@ -213,12 +213,12 @@ api7:
     image: ghcr.io/api7/adc:latest
     imagePullPolicy: IfNotPresent
     verbose: true
-    tlsSkipVerify: false # Set to true for self-signed certificates
+    tlsSkipVerify: true # Required for dashboard self-signed certificate
 
   # API7 Gateway connection
   gateway:
-    # Use the Dashboard service for API7 Enterprise admin API
+    # Use the Dashboard service for API7 Enterprise admin API (HTTPS required)
-    adminUrl: http://api7ee3-0-1759339083-dashboard:7080
+    adminUrl: https://api7ee3-0-1759339083-dashboard:7443
     adminKey: "" # Change this!
     group: default
     # Gateway service for traffic routing