Update codeowners application-dev to swayex (#6095)

## Description

The Application-dev team has been renamed to swayex. This change has
been reflected in the codeowner file

## Checklist

- [ ] I have linked to any relevant issues.
- [ ] I have commented my code, particularly in hard-to-understand
areas.
- [ ] I have updated the documentation where relevant (API docs, the
reference, and the Sway book).
- [ ] If my change requires substantial documentation changes, I have
[requested support from the DevRel
team](https://github.com/FuelLabs/devrel-requests/issues/new/choose)
- [ ] I have added tests that prove my fix is effective or that my
feature works.
- [x] I have added (or requested a maintainer to add) the necessary
`Breaking*` or `New Feature` labels where relevant.
- [x] I have done my best to ensure that my PR adheres to [the Fuel Labs
Code Review
Standards](https://github.com/FuelLabs/rfcs/blob/master/text/code-standards/external-contributors.md).
- [x] I have requested a review from the relevant team or maintainers.

Co-authored-by: IGI-111 <igi-111@protonmail.com>

.github/CODEOWNERS

@@ -2,12 +2,12 @@
 * @FuelLabs/leads
 
 # Documentation
-/docs/ @FuelLabs/tooling @FuelLabs/sway-compiler @FuelLabs/application-dev @FuelLabs/Devrel
+/docs/ @FuelLabs/tooling @FuelLabs/sway-compiler @FuelLabs/swayex @FuelLabs/Devrel
 
 # Sway files and standard library
-/examples/ @FuelLabs/sway-compiler @FuelLabs/application-dev 
-/sway-lib-core/ @FuelLabs/sway-compiler @FuelLabs/application-dev
-/sway-lib-std/ @FuelLabs/sway-compiler @FuelLabs/application-dev
+/examples/ @FuelLabs/sway-compiler @FuelLabs/swayex 
+/sway-lib-core/ @FuelLabs/sway-compiler @FuelLabs/swayex
+/sway-lib-std/ @FuelLabs/sway-compiler @FuelLabs/swayex
 
 # Tooling
 /forc/ @FuelLabs/tooling