credentials: Add HP iLO management interface

- iLO at 172.16.9.125
- Separate from VMware interface (192.168.3.24)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

credentials.md

@@ -188,12 +188,16 @@
 ### VMware Workstation Pro (192.168.3.24)
 - **Host:** 192.168.3.24
 - **Role:** VMware Workstation Pro main interface (VM host)
-- **User:** root
-- **Password:** r3tr0gradE99#
 - **Notes:**
   - Main VMware interface for local VMs
   - Bridge network for VM guests
 
+### HP iLO (172.16.9.125)
+- **Host:** 172.16.9.125
+- **Role:** HP Integrated Lights-Out management interface
+- **User:** root
+- **Password:** r3tr0gradE99#
+
 ---
 
 ## External/Client Servers