Bump libvirt and cloud hypvervior

```diff
-LIBVIRT_VERSION="11.10.0-2gl3%2Bbp1877"
-CLOUD_HYPERVISOR_VERSION="50.0-1gl2%2Bbp1877"
+LIBVIRT_VERSION="11.10.0-2gl4%2Bbp1877"
+CLOUD_HYPERVISOR_VERSION="50.0-1gl3%2Bbp1877"
```

Author: toanju

features/sci/exec.config

@@ -9,8 +9,8 @@ systemctl enable ssh
 
 # all versions URL encoded
 EDK2_VERSION="20250503-7gl0%2Bbp1877"
-LIBVIRT_VERSION="11.10.0-2gl3%2Bbp1877"
-CLOUD_HYPERVISOR_VERSION="50.0-1gl2%2Bbp1877"
+LIBVIRT_VERSION="11.10.0-2gl4%2Bbp1877"
+CLOUD_HYPERVISOR_VERSION="50.0-1gl3%2Bbp1877"
 
 mkdir /tmp/custompackages
 for p in https://github.com/gardenlinux/package-edk2-cloud-hypervisor-gl/releases/download/$EDK2_VERSION/build.tar.xz.0000 https://github.com/gardenlinux/package-libvirt/releases/download/$LIBVIRT_VERSION/build.tar.xz.0000 https://github.com/gardenlinux/package-cloud-hypervisor-gl/releases/download/$CLOUD_HYPERVISOR_VERSION/build.tar.xz.0000; do