feat: add version check for sno agent

SNO ABI flow will support min 4vCPU in 4.22 and above, so older versions will not pass validation
adding check to fail early

Added validation to SNOMIN for 4.22 and above

Signed-off-by: ehila <ehila@redhat.com>

Author: eggfoobar

common.sh

@@ -529,11 +529,15 @@ if [[ ! -z ${AGENT_E2E_TEST_SCENARIO} ]]; then
           export NETWORK_TYPE="OVNKubernetes"
           export AGENT_PLATFORM_TYPE="${AGENT_PLATFORM_TYPE:-"none"}"
           if [[ "${AGENT_PLATFORM_TYPE}" != "external" ]]  && [[ "${AGENT_PLATFORM_TYPE}" != "none" ]]; then
-            echo "Invalid value ${AGENT_PLATFORM_TYPE},  use 'none' or 'external'."
+            echo "Invalid value ${AGENT_PLATFORM_TYPE}, use 'none' or 'external'."
             exit 1
           fi
           ;;
       "SNOMIN" )
+          if is_lower_version "$OPENSHIFT_VERSION" "4.22"; then
+              echo "SNOMIN is not supported on OCP version lower than 4.22, current version ${OPENSHIFT_VERSION:-\"none provided\"}."
+              return 1
+          fi
           export NUM_MASTERS=1
           export MASTER_VCPU=4
           export MASTER_DISK=100