Cirrus CI: Avoid perl warnings about setting locale, Linux task

[tcpdump] / tests / dns_tcp-v.out

    1  09:21:03.720289 IP (tos 0x0, ttl 64, id 39720, offset 0, flags [DF], proto TCP (6), length 60)
    192.168.1.11.33779 > 209.87.249.18.53: Flags [S], cksum 0x0c41 (correct), seq 603899916, win 64240, options [mss 1460,sackOK,TS val 2044906138 ecr 0,nop,wscale 7], len