Update selfhosted-quickstart.mdx

Added missing Port 33080

src/pages/selfhosted/selfhosted-quickstart.mdx

@@ -25,7 +25,7 @@ as the identity provider for user management using a single-line setup script an
 
 **Infrastructure requirements:**
 - A Linux VM with at least **1CPU** and **2GB** of memory.
-- The VM should be publicly accessible on TCP ports **80**, **443**, **33073** and **10000**; and UDP ports: **3478**, **49152-65535**.
+- The VM should be publicly accessible on TCP ports **80**, **443**, **33073**, **10000** and **33080**; and UDP ports: **3478**, **49152-65535**.
 - **Public domain** name pointing to the VM.
 
 **Software requirements:**