Add "show vmhost version" partitions and version details to facts

[chidanandpujar]

Add vmhost partition and version details to facts .
Reference: https://www.juniper.net/documentation/us/en/software/junos/cli-reference/topics/ref/command/show-vmhost-version.html

user@hostshow vmhost version
Current root details,         Device sda, Label: jrootp_P, Partition: sda3
Current boot disk: Primary
Current root set: p
UEFI Version: CICL_P_BUG1_00.23.01
 
Primary Disk, Upgrade Time: Wed Mar  1 16:35:37 PST 2023
 
Version: set p
VMHost Version: 7.2648
VMHost Root: vmhost-x86_64-22.2R3-20230129_2258_builder
VMHost Core: vmhost-core-x86-64-22.2R3.9
kernel: 5.2.60-rt15-LTS19
Junos Disk: junos-install-mx-x86-64-22.2R3.9
 
Version: set b
VMHost Version: 7.2648
VMHost Root: vmhost-x86_64-22.2R3-20230129_2258_builder
VMHost Core: vmhost-core-x86-64-22.2R3.10
kernel: 5.2.60-rt15-LTS19
Junos Disk: junos-install-mx-x86-64-22.2R3.10