The previous link was broken for at least 2 different reasons.

While I'm at it:

 - switch this link to using the tails_gitlab ikiwiki shortcut
 - make the URL filter the labels it's about

Previously it linked to Starter issues in the tails/tails project,
but we have a few Starter issues in other tails/* projects.

Somehow I managed to mistype the name of the Starter label.

Let's link to the code that resulted from resolving these issues.

That was fixed years ago.

Fixes regression introduced in ca006f09.

wiki/src/partners.ar.po: updating as wiki/src/partners.de.po has changed.
wiki/src/partners.ca.po: updating as wiki/src/partners.de.po has changed.
wiki/src/partners.id.po: updating as wiki/src/partners.de.po has changed.
wiki/src/partners.pl.po: updating as wiki/src/partners.de.po has changed.
wiki/src/partners.ru.po: updating as wiki/src/partners.de.po has changed.
wiki/src/partners.sr_Latn.po: updating as wiki/src/partners.de.po has changed.
wiki/src/partners.tr.po: updating as wiki/src/partners.de.po has changed.
wiki/src/partners.zh.po: updating as wiki/src/partners.de.po has changed.
wiki/src/partners.zh_TW.po: updating as wiki/src/partners.de.po has changed.

2019 was our year with more 'pure' partners, both in number of partners
and amount of donations.

The release is tomorrow, most translations for the leaflets are ready,
and I want to avoid translators doing more changes here while I have a
branch ready with a different path for both pages.

Currently translated at 91.7% (44 of 48 strings)

Translation: Tails/wiki/src/about/staging/home.*.po
Translate-URL: http://translate.tails.boum.org/projects/tails/wikisrcaboutstaginghomepo/es/

Currently translated at 91.1% (82 of 90 strings)

Translation: Tails/wiki/src/about/staging/about.*.po
Translate-URL: http://translate.tails.boum.org/projects/tails/wikisrcaboutstagingaboutpo/es/

Currently translated at 82.4% (14 of 17 strings)

Currently translated at 100.0% (9 of 9 strings)

wiki/src/contribute.ar.po: updating as wiki/src/contribute.de.po has changed.
wiki/src/contribute.ca.po: updating as wiki/src/contribute.de.po has changed.
wiki/src/contribute.id.po: updating as wiki/src/contribute.de.po has changed.
wiki/src/contribute.pl.po: updating as wiki/src/contribute.de.po has changed.
wiki/src/contribute.ru.po: updating as wiki/src/contribute.de.po has changed.
wiki/src/contribute.sr_Latn.po: updating as wiki/src/contribute.de.po has changed.
wiki/src/contribute.tr.po: updating as wiki/src/contribute.de.po has changed.
wiki/src/contribute.zh.po: updating as wiki/src/contribute.de.po has changed.
wiki/src/contribute.zh_TW.po: updating as wiki/src/contribute.de.po has changed.