gcr 3.40.0:
- FEATURE: add hkps://keys.openpgp.org to keyserver defaults [GNOME/gcr!62]
- gcr/key-mechanism: Port to GTask [GNOME/gcr!66]
- GckCall: Simplify the code by using GTask based implementation [GNOME/gcr!61]
- Remove Autotools [GNOME/gcr!58]
- gck: Don't use g_assert() in tests [GNOME/gcr!64]
- Create a workaround for tests and GTask [GNOME/gcr!65]