Add profile_metrics_query properties to dashboard widget requests

[api-clients-generation-pipeline]

See DataDog/datadog-api-spec#591

[jirikuncar]

/azp run

[azure-pipelines]

Azure Pipelines successfully started running 1 pipeline(s).

[codecov-io]

Codecov Report

Merging #211 (3476076) into master (86a059f) will increase coverage by 0.69%.
The diff coverage is 50.00%.

@@            Coverage Diff             @@
##           master     #211      +/-   ##
==========================================
+ Coverage   35.21%   35.90%   +0.69%     
==========================================
  Files         819      819              
  Lines       70255    70282      +27     
==========================================
+ Hits        24742    25238     +496     
+ Misses      45513    45044     -469     

Impacted Files	Coverage Δ
...adog_api_client/v1/models/change_widget_request.rb	51.14% <50.00%> (+11.30%)	⬆️
...pi_client/v1/models/distribution_widget_request.rb	49.13% <50.00%> (+12.85%)	⬆️
...og_api_client/v1/models/heat_map_widget_request.rb	49.13% <50.00%> (+12.85%)	⬆️
...b/datadog_api_client/v1/models/host_map_request.rb	36.28% <50.00%> (+0.82%)	⬆️
...api_client/v1/models/query_value_widget_request.rb	50.00% <50.00%> (+13.24%)	⬆️
...tadog_api_client/v1/models/scatter_plot_request.rb	37.06% <50.00%> (+0.78%)	⬆️
...tadog_api_client/v1/models/table_widget_request.rb	51.47% <50.00%> (+11.62%)	⬆️
..._api_client/v1/models/timeseries_widget_request.rb	51.09% <50.00%> (+11.54%)	⬆️
...dog_api_client/v1/models/toplist_widget_request.rb	37.50% <50.00%> (+0.74%)	⬆️
...ent/v1/models/service_summary_widget_definition.rb	39.45% <0.00%> (+1.36%)	⬆️
... and 53 more

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