Fixes Bug 1275- aiokafka version updated

Change-Id: I0b3d5615b072ab8d5df3d7d69a886775ca7ef3e2
Signed-off-by: João Fonseca <jpedrofonseca@av.it.pt>

docker/MON/Dockerfile

@@ -37,7 +37,7 @@ RUN apt-get update \
     && python3 -m pip install -U pip
 
 RUN pip3 install 'pyyaml>=5.1.2' 'paramiko' 'chardet==3.0.4' \
-          'lxml==4.6.2' 'humanfriendly==9.0.*' 'aiokafka==0.6.0' \
+          'lxml==4.6.2' 'humanfriendly==9.0.*' 'aiokafka>=0.7.0' \
           'prometheus_client==0.4.*' 'python-keystoneclient==3.15.*' \
           'six==1.15.0' 'requests==2.25.*' 'gnocchiclient==7.0.*' \
           'pyvcloud==23.0.*' 'python-novaclient==12.0.*' \