[images] Utility containers

This PS alters utility containers images:
- adds munch python module required for openstack client
- adds python-heatclient for adding heat client to openstack utility

Change-Id: I205c5d74f1cf88a82c4f5ce4652b107a8676f3fe

images/etcdctl-utility/Dockerfile.ubuntu_focal

@@ -36,6 +36,7 @@ RUN set -xe \
        rclone \
     && pip3 install --upgrade pip \
     && pip3 install \
+        munch \
         oslo.rootwrap==6.3.1 \
         python-openstackclient==5.8.0 \
         python-swiftclient==3.13.1 \

images/mysqlclient-utility/Dockerfile.ubuntu_focal

@@ -36,6 +36,7 @@ RUN set -xe \
        rclone \
     && pip3 install --upgrade pip \
     && pip3 install \
+         munch \
          oslo.rootwrap==6.3.1 \
          python-openstackclient==5.8.0 \
          python-swiftclient==3.13.1 \

images/openstack-utility/Dockerfile.ubuntu_focal

@@ -22,12 +22,14 @@ RUN set -xe \
        python3-pip \
     && pip3 install --upgrade pip \
     && pip3 install \
+        munch \
         oslo.rootwrap==6.3.1 \
         python-openstackclient==5.8.0 \
         python-glanceclient==3.6.0 \
         python-novaclient==17.7.0 \
         python-neutronclient==7.8.0 \
         python-cinderclient==8.3.0 \
+        python-heatclient==2.5.1 \
     && apt-get clean -y \
     && rm -rf /var/lib/apt/lists/*
 

images/postgresql-utility/Dockerfile.ubuntu_focal

@@ -34,6 +34,7 @@ RUN set -xe  \
         rclone \
     && pip3 install --upgrade pip \
     && pip3 install \
+        munch \
         oslo.rootwrap==6.3.1 \
         python-openstackclient==5.8.0 \
         python-swiftclient==3.13.1 \