public String patchConnectorConfig(String connName, Map<String, String> connConfigPatch) {
        String url = endpointForResource(String.format("connectors/%s/config", connName));
        return doPatchConnectorConfig(url, connConfigPatch);
    }
Patch the config of a connector.

@param connName   the name of the connector
@param connConfigPatch the configuration patch
@throws ConnectRestException if the REST API returns error status
@throws ConnectException if the configuration fails to be serialized or if the request could not be sent
connect/runtime/src/test/java/org/apache/kafka/connect/util/clusters/EmbeddedConnect.java