update kaldi version

bob/devtools/data/conda_build_config.yaml

@@ -78,12 +78,12 @@ zip_keys:
 
 # This version of bob-devel will be used at test time of packages:
 bob_devel:
-  - 2020.05.19
+  - 2020.08.12
 
 # 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:
-  - 2020.05.19
+  - 2020.08.12
 
 # The build time only dependencies (build requirements).
 # Updating these to the latest version all the time is OK and a good idea.
@@ -128,6 +128,8 @@ sox:
   - 14.4.2
 vlfeat:
   - 0.9.21
+pybind11:
+  - 2.4.3
 
 # The dependencies that are needed for runtime only (run requirements).
 # These versions **should** match the versions inside bob-devel recipe.
@@ -156,7 +158,7 @@ h5py:
 jinja2:
   - 2.11.1
 kaldi:
-  - 1!5.5.164
+  - 5.5.164
 matplotlib:
   - 3.1.3
 menpo: