OpenWrt one-line script cannot run on newer snapshot builds because they use apk instead of opkg

[sppmasterspp]

OpenWrt one-line script cannot run on newer snapshot builds because they use apk package manager by default incited of opkg. Please update the one-line script so it can run on latest OpenWrt snapshot builds too. Current output is

root@QNAP:~# sh <(wget -O - https://raw.githubusercontent.com/cyyself/wg-bench/master/openwrt-benchmark.sh)

Redirecting output to 'wget-log'.
ls: /tmp/opkg-lists/: No such file or directory
/dev/fd/64: line 22: opkg: not found

Packages:
/dev/fd/64: line 27: opkg: not found
Installed wg...
/dev/fd/64: line 31: opkg: not found
/dev/fd/64: line 34: opkg: not found
Installed iperf3...
/dev/fd/64: line 38: opkg: not found
/dev/fd/64: line 41: opkg: not found
Installed ip-full...
/dev/fd/64: line 45: opkg: not found
/dev/fd/64: line 48: opkg: not found
Installed kmod-veth...
/dev/fd/64: line 52: opkg: not found
/dev/fd/64: line 55: opkg: not found
Installed psmisc...
/dev/fd/64: line 59: opkg: not found

Router details:
{
        "kernel": "6.6.71",
        "hostname": "QNAP",
        "system": "ARMv8 Processor rev 4",
        "model": "QNAP 301w",
        "board_name": "qnap,301w",
        "rootfs_type": "squashfs",
        "release": {
                "distribution": "OpenWrt",
                "version": "SNAPSHOT",
                "revision": "r28667-fad29aac0e",
                "target": "qualcommax/ipq807x",
                "description": "OpenWrt SNAPSHOT r28667-fad29aac0e",
                "builddate": "1736405570"
        }
}
Connecting to host 169.254.200.2, port 4242
[  5] local 169.254.200.1 port 35592 connected to 169.254.200.2 port 4242
[ ID] Interval           Transfer     Bitrate         Retr  Cwnd
[  5]   0.00-1.00   sec  79.5 MBytes   666 Mbits/sec    0    353 KBytes
[  5]   1.00-2.00   sec  78.6 MBytes   660 Mbits/sec    0    390 KBytes
[  5]   2.00-3.00   sec  78.5 MBytes   659 Mbits/sec    0    418 KBytes
[  5]   3.00-4.00   sec  77.8 MBytes   652 Mbits/sec    0    418 KBytes
[  5]   4.00-5.00   sec  78.4 MBytes   657 Mbits/sec    0    418 KBytes
[  5]   5.00-6.00   sec  79.2 MBytes   665 Mbits/sec    0    440 KBytes
[  5]   6.00-7.00   sec  78.2 MBytes   657 Mbits/sec    0    440 KBytes
[  5]   7.00-8.00   sec  79.5 MBytes   667 Mbits/sec    0    440 KBytes
[  5]   8.00-9.00   sec  79.4 MBytes   666 Mbits/sec    0    440 KBytes
[  5]   9.00-10.00  sec  79.6 MBytes   668 Mbits/sec    0    440 KBytes
- - - - - - - - - - - - - - - - - - - - - - - - -
[ ID] Interval           Transfer     Bitrate         Retr
[  5]   0.00-10.00  sec   789 MBytes   662 Mbits/sec    0             sender
[  5]   0.00-10.00  sec   788 MBytes   661 Mbits/sec                  receiver

iperf Done.
exec of "fuser" failed: No such file or directory
root@QNAP:~#