DEVELOPERS: fix indentation on 2 entries

Substitute spaces with tab on 2 entries for consistency.

Signed-off-by: Giulio Benetti <giulio.benetti@benettiengineering.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

DEVELOPERS

@@ -74,8 +74,8 @@ F:	package/libmbim/
 F:	package/libqmi/
 F:	package/modem-manager/
 
-N:      Alessandro Partesotti <a.partesotti@gmail.com>
-F:      package/oatpp/
+N:	Alessandro Partesotti <a.partesotti@gmail.com>
+F:	package/oatpp/
 
 N:	Alex Michel <alex.michel@wiedemann-group.com>
 F:	package/libzenoh-pico/