chore: remove extraneous / [skip ci]

Signed-off-by: Eli <88557639+lishaduck@users.noreply.github.com>

Author: lishaduck

.github/CODEOWNERS

@@ -6,7 +6,7 @@
 # review when someone opens a pull request.
 *             @PSDTools/builders
 
-*/.dart       @PSDTools/builders
+*.dart        @PSDTools/builders
 /.github/     @lishaduck
 /assets/      @PSDTools/app
 /tests/       @PSDTools/builders