Adding new env variables for WKS service

This PR is adding 3 environment variables required for running Integration tests for WKS service

Please refer this branch for reference https://community.opengroup.org/osdu/platform/data-flow/enrichment/wks/-/blob/slb-relationship-enhancements/testing/wks-test-core/src/test/java/org/opengroup/osdu/wks/model/AutomationConstants.java#L49