Add new grpc assertions for Synthetics tests (#1429)

Co-authored-by: ci.datadog-api-spec <[email protected]> b592e6e

Author: api-clients-generation-pipeline[bot]

datadog_api_client.v1.model.html

@@ -21617,7 +21617,7 @@ <h1 id="datadog-api-client-v1-model--page-root">datadog_api_client.v1.model<a cl
 <dl class="field-list simple">
 <dt class="field-odd">Parameters<span class="colon">:</span></dt>
 <dd class="field-odd"><ul class="simple">
-<li><p><strong>value</strong> (<em>str</em>) – Must be one of [“body”, “header”, “statusCode”, “certificate”, “responseTime”, “property”, “recordEvery”, “recordSome”, “tlsVersion”, “minTlsVersion”, “latency”, “packetLossPercentage”, “packetsReceived”, “networkHop”, “receivedMessage”, “grpcHealthcheckStatus”, “connection”].</p></li>
+<li><p><strong>value</strong> (<em>str</em>) – Must be one of [“body”, “header”, “statusCode”, “certificate”, “responseTime”, “property”, “recordEvery”, “recordSome”, “tlsVersion”, “minTlsVersion”, “latency”, “packetLossPercentage”, “packetsReceived”, “networkHop”, “receivedMessage”, “grpcHealthcheckStatus”, “grpcMetadata”, “grpcProto”, “connection”].</p></li>
 <li><p><strong>_check_type</strong> (<em>bool</em>) – If True, values for parameters in openapi_types
 will be type checked and a TypeError will be raised if the wrong type is input.
 Defaults to True.</p></li>