Retry on gitlab system failures and timeouts

See merge request !15

Addresses tpo/tpa/team#40438

Log monitoring

See merge request !14

Save tor warnings and errors in artifacts

See merge request !13

Sendme_inc params

See merge request !12

Set lenient group permissions on /shadow data

See merge request !11

Addresses:
tpo/tpa/team#40476 (comment 2762378)

Use filter rules in rsync instead of naming individual sources

See merge request !10

This gives some additional flexibility. e.g. we can use unrooted
and `**` patterns. It also ensures the directory structure stays
consistent.

From
https://gitlab.torproject.org/mikeperry/tor/-/blob/95a34a8a511b7043db289b6da4c07ede4ed743f2/SHADOW_EXPERIMENTS.txt#L261

Split perfclients per country code.

Split per country code also in live network

See merge request !9

Split perfclients per country code.

See merge request !8

* adds the newer "5 MiB" goodput metric: https://github.com/shadow/tornettools/pull/46
* fixes goodput graphs to be in Mbits/s instead of Mebi-bits/s: https://github.com/shadow/tornettools/pull/47

Use /shadow volume for full results

See merge request !7