[runner] Fix IP getting (#130)

ifconfig.me changed their API. Now they need `/ip` to get the IP from
Golang.

Fix invalid IP (#129)

ipconfig.me is returning invalid IPs for some reason.

Fixed the verdict in contest mode all or nothing when score is 0 (#126)

Added the verdict "WA" when score is 0 in contest mode "All or nothing"

Fixes: omegaup/omegaup#7000

Renamed the key score_per_group with score_by_group (#125)

Fixing a key in order to match the name with the frontend key

Agregando puntajes por grupo en el mensaje que se envía vía broadcast (…

…#121)

Se agrega el campo de `score_per_group` en el objeto que se regresa 
por medio del broadcast hacia el websocket, esto servirá para que se 
pueda calcular el puntaje máximo para los concursos con subtareas.


Part of: omegaup/omegaup#6878

Fixes: #119

Bump github.com/prometheus/client_golang from 1.8.0 to 1.11.1 (#120)

Bumps [github.com/prometheus/client_golang](https://github.com/prometheus/client_golang) from 1.8.0 to 1.11.1.
- [Release notes](https://github.com/prometheus/client_golang/releases)
- [Changelog](https://github.com/prometheus/client_golang/blob/main/CHANGELOG.md)
- [Commits](prometheus/client_golang@v1.8.0...v1.11.1)

---
updated-dependencies:
- dependency-name: github.com/prometheus/client_golang
  dependency-type: direct:production
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Bump golang.org/x/crypto from 0.0.0-20201208171446-5f87f3452ae9 to 0.…

…1.0 (#123)

Bumps [golang.org/x/crypto](https://github.com/golang/crypto) from 0.0.0-20201208171446-5f87f3452ae9 to 0.1.0.
- [Release notes](https://github.com/golang/crypto/releases)
- [Commits](https://github.com/golang/crypto/commits/v0.1.0)

---
updated-dependencies:
- dependency-name: golang.org/x/crypto
  dependency-type: indirect
...

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Bump golang.org/x/net from 0.0.0-20211209124913-491a49abca63 to 0.7.0 (…

…#124)

Bumps [golang.org/x/net](https://github.com/golang/net) from 0.0.0-20211209124913-491a49abca63 to 0.7.0.
- [Release notes](https://github.com/golang/net/releases)
- [Commits](https://github.com/golang/net/commits/v0.7.0)

---
updated-dependencies:
- dependency-name: golang.org/x/net
  dependency-type: direct:production
...

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