deps: update dependency com.google.cloud:google-cloud-api-gateway-bom to v2.3.6 (#5290)
deps: update dependency com.google.cloud:google-cloud-api-gateway-bom to v2.3.6 (#5290)


googleapis/java-cloud-bom,googleapis/java-cloud-bom,googleapis/java-cloud-bom,googleapis/java-cloud-bom