Please output vtigercrm version into install_version.txt

[qiaofeng1227]

[qiaofeng1227]

you can search version in this file: /data/wwwroot/vtigercrm/vtigerversion.php

[zengxc-1996]

tested OK:

ok: [47.243.94.94] => {
    "end_check_versions.stdout_lines": [
        "httpd  Server version: Apache/2.4.46 (IUS)",
        "mysql  Ver 14.14 Distrib 5.6.51, for Linux (x86_64) using  EditLine wrapper",
        "PHP 7.0.33 (cli) (built: Apr 28 2021 10:08:54) ( NTS )",
        "Docker version 20.10.7, build f0df350",
        "phpmyadmin version: \"version\": \"5.1.0\",",
        "Redis server v=5.0.9 sha=00000000:0 malloc=jemalloc-5.1.0 bits=64 build=b85aaedbd32f5b2b",
        "$vtiger_current_version = '7.3.0';",
        "System version: CentOS 7.9",
        "Image name: phpappszengxc-CentOS7.9"
    ]
}