update ovirt-engine-sdk-python to 4.3.0

[ntkathole]

satellite6-upgrade/setup.py

Line 47 in 2a84aed

'ovirt-engine-sdk-python==4.2.7',

update ovirt-engine-sdk-python to 4.3.0

Wrapnapi has requirement of ovirt-engine-sdk-python 4.3.0. It causes error while installing robottelo

ERROR: kubernetes 3.0.0 has requirement websocket-client<=0.40.0,>=0.32.0, but you'll have websocket-client 0.56.0 which is incompatible.
ERROR: azure-cosmosdb-table 1.0.5 has requirement azure-storage-common~=1.1, but you'll have azure-storage-common 2.0.0 which is incompatible.
ERROR: azure-storage-queue 1.4.0 has requirement azure-storage-common~=1.4, but you'll have azure-storage-common 2.0.0 which is incompatible.
ERROR: azure-storage-file 1.4.0 has requirement azure-storage-common~=1.4, but you'll have azure-storage-common 2.0.0 which is incompatible.
ERROR: azure-storage-blob 1.5.0 has requirement azure-storage-common~=1.4, but you'll have azure-storage-common 2.0.0 which is incompatible.
ERROR: satellite6-upgrade 0.1.0 has requirement ovirt-engine-sdk-python==4.2.7, but you'll have ovirt-engine-sdk-python 4.3.0 which is incompatible.