DEVELOPERS: add Marcus Folkesson for libcamera/libcamera-apps

libcamera-apps is orphaned, so take care of it.

Signed-off-by: Marcus Folkesson <marcus.folkesson@gmail.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

DEVELOPERS

@@ -1890,6 +1890,8 @@ F:	support/testing/tests/package/test_python_pytest.py
 F:	support/testing/tests/package/test_python_pytest_asyncio.py
 
 N:	Marcus Folkesson <marcus.folkesson@gmail.com>
+F:	package/libcamera/
+F:	package/libcamera-apps/
 F:	package/libostree/
 F:	package/libselinux/
 F:	package/libsemanage/