fix(video): added proxmox 7 link

Author: timothystewart6

_posts/2021-10-22-windows-11-proxmox.md

@@ -24,4 +24,8 @@ Windows 11 Download
 
 KVM/QEMU Windows guest drivers (virtio-win) download
 
-[https://github.com/virtio-win/virtio-win-pkg-scripts](https://github.com/virtio-win/virtio-win-pkg-scripts)
+[https://github.com/virtio-win/virtio-win-pkg-scripts](https://github.com/virtio-win/virtio-win-pkg-scripts)
+
+Need to Upgrade to Proxmox 7?  
+
+[https://techno-tim.github.io/posts/proxmox-7/](https://techno-tim.github.io/posts/proxmox-7/)