package/glib-networking: bump to version 2.61.1

package/glib-networking: bump to version 2.61.1

- gnutls can be made optional again since
  https://gitlab.gnome.org/GNOME/glib-networking/commit/14a3138a6d242238f61ce83018a806e4358961de
- add openssl optional dependency
- pkcs option has been removed since
  https://gitlab.gnome.org/GNOME/glib-networking/commit/4d6caa033051f55a157d8b7fb9debdc2fa7e561e
- use new options, see
  https://gitlab.gnome.org/GNOME/glib-networking/commit/8629f3d5a58bd12d2b6818b6ca8ff1231375a2fb
- fix build failure with gnutls

Fixes:
 - http://autobuild.buildroot.org/results/e233f9a5693e18bee90669910007e122857c7f77

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>