Adds biesel citizenship to traverse due to the recent refugee influx (#22978)

Adds biesel citizenship to traverse due to the recent refugee influx
from Traverse.
I have the Pope's permission

https://discord.com/channels/724651070017765459/724652610778431490/1532928866795000009

* Please describe the intent of your changes in a clear fashion.
* Please make sure that, in the case of mapping changes, you include
images of these changes in the PR's description.
* Please make sure to mark your PR as wip or review required by making a
comment with !wip or !review required
* If you include sprites/sounds/... (assets) that you have not created
yourself specify the license and original author below.
* Ensure that you also credit them in the appropriate location /
changelog as specified in the contributor guidelines

### Asset Licenses
The following assets that **have not** been created by myself are
included in this PR:

| Path | Original Author | License |
| --- | --- | --- |
| icons/example.dmi | ExamplePerson (Example Station) | CC0 |

code/modules/background/origins/origins/skrell/nralakk.dm

@@ -19,7 +19,7 @@
 	name = "Traverse"
 	desc = "The Traverse consists of the outer systems that make up the majority of Federation space, where the quality of life and planet development varies greatly. Views on the Federation are mixed depending on personal interactions with the Government, with many being influenced by the resistance cells that operate here."
 	possible_accents = list(ACCENT_TRAVERSE, ACCENT_TATTUQIG, ACCENT_SKRELL)
-	possible_citizenships = CITIZENSHIPS_NRALAKK
+	possible_citizenships = list(CITIZENSHIP_NRALAKK, CITIZENSHIP_BIESEL)
 	possible_religions = RELIGIONS_NRALAKK
 
 /singleton/origin_item/origin/generation_fleets