Replace MetaMask/Devs with MetaMask/Engineering CODEOWNER (#4142)

## Explanation

This removes the deprecated `metamask/devs` CODEOWNER with
`metamask/engineering`. This is due to the devs team being deprecated.

## References


## Changelog

None

## Checklist

- [x] I've updated the test suite for new or updated code as appropriate
- [x] I've updated documentation (JSDoc, Markdown, etc.) for new or
updated code as appropriate
- [x] I've highlighted breaking changes using the "BREAKING" category
above as appropriate

Author: NicholasEllul

.github/CODEOWNERS

@@ -1,7 +1,7 @@
 # Lines starting with '#' are comments.
 # Each line is a file pattern followed by one or more owners.
 
-*                                    @MetaMask/devs
+*                                    @MetaMask/engineering
 
 /packages/permission-controller      @MetaMask/snaps-devs
 /packages/notification-controller    @MetaMask/snaps-devs