Add agent rules in security monitoring rules queries

[api-clients-generation-pipeline]

See DataDog/datadog-api-spec#883

[codecov-io]

Codecov Report

Merging #260 (0b5ffee) into master (34c272b) will decrease coverage by 0.21%.
The diff coverage is 29.90%.

@@            Coverage Diff             @@
##           master     #260      +/-   ##
==========================================
- Coverage   35.97%   35.76%   -0.22%     
==========================================
  Files         850      851       +1     
  Lines       72895    74234    +1339     
==========================================
+ Hits        26222    26547     +325     
- Misses      46673    47687    +1014     

Impacted Files	Coverage Δ
...2/models/security_monitoring_runtime_agent_rule.rb	28.72% <28.72%> (ø)
...client/v2/models/security_monitoring_rule_query.rb	33.33% <33.33%> (+0.31%)	⬆️
...v2/models/security_monitoring_rule_query_create.rb	32.45% <33.33%> (+0.34%)	⬆️
lib/datadog_api_client/v2.rb	99.69% <100.00%> (+<0.01%)	⬆️
...2/models/application_key_response_included_item.rb	57.14% <0.00%> (-1.40%)	⬇️
...g_api_client/v2/models/application_key_response.rb	45.26% <0.00%> (-0.98%)	⬇️
...b/datadog_api_client/v2/models/api_key_response.rb	44.21% <0.00%> (-0.96%)	⬇️
...og_api_client/v2/models/partial_application_key.rb	46.53% <0.00%> (-0.95%)	⬇️
...adog_api_client/v2/models/api_key_relationships.rb	42.55% <0.00%> (-0.93%)	⬇️
lib/datadog_api_client/v2/models/full_api_key.rb	45.54% <0.00%> (-0.93%)	⬇️
... and 620 more

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[jirikuncar]

/azp run

[azure-pipelines]

Azure Pipelines successfully started running 1 pipeline(s).