[MA-1665] Add Slo Corrections to open api spec

[api-clients-generation-pipeline]

See DataDog/datadog-api-spec#743

[nmuesch]

/azp run

[nmuesch]

/azp run

[azure-pipelines]

Azure Pipelines successfully started running 1 pipeline(s).

[codecov]

Codecov Report

Merging #654 (ba4f0d7) into master (4303ec4) will decrease coverage by 0.10%.
The diff coverage is 0.00%.

Impacted Files	Coverage Δ
...datadog/api_service_level_objective_corrections.go	0.00% <0.00%> (ø)
api/v1/datadog/client.go	0.00% <0.00%> (-27.46%)	⬇️
api/v1/datadog/model_slo_correction_category.go	0.00% <0.00%> (ø)
.../v1/datadog/model_slo_correction_create_request.go	0.00% <0.00%> (ø)
.../model_slo_correction_create_request_attributes.go	0.00% <0.00%> (ø)
...atadog/model_slo_correction_create_request_data.go	0.00% <0.00%> (ø)
...i/v1/datadog/model_slo_correction_list_response.go	0.00% <0.00%> (ø)
...datadog/model_slo_correction_list_response_data.go	0.00% <0.00%> (ø)
api/v1/datadog/model_slo_correction_response.go	0.00% <0.00%> (ø)
...atadog/model_slo_correction_response_attributes.go	0.00% <0.00%> (ø)
... and 36 more