[docker-sonic-mgmt]: set wheel version to 0.33.6 to fix sonic-mgmt build break

looks like version 0.42 has build issues

Signed-off-by: Guohan Lu <gulv@microsoft.com>

dockers/docker-sonic-mgmt/Dockerfile.j2

@@ -89,6 +89,7 @@ RUN pip install azure-kusto-data==0.0.13 \
                 azure-kusto-ingest==0.0.13
 
 # Install pytest-ansible module
+RUN pip install wheel==0.33.6
 RUN pip install pytest-ansible==2.2.2
 
 ## Copy and install sonic-mgmt docker dependencies