Bump dependencies again, to trigger correct use of new builds of menpo/menpofit

For some weird reason, conda (4.6.x) cannot pick new local package versions if they just differ by build number to the ones available on a listed channel.

I had to re-bump beat and bob-devel versions. Now it seems to work.

This MR pushes this update to the nightlies and CI builds.

bob/devtools/data/conda_build_config.yaml

@@ -51,12 +51,12 @@ zip_keys:
 
 # This version of bob-devel will be used at test time of packages:
 bob_devel:
-  - 2019.08.12
+  - 2019.08.13
 
 # This version of beat-devel will be used at test time of packages. Notice it
 # uses bob-devel and should have a version that is greater or equal its value
 beat_devel:
-  - 2019.08.12
+  - 2019.08.13
 
 # The build time only dependencies (build requirements).
 # Updating these to the latest version all the time is OK and a good idea.