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

[api-clients-generation-pipeline]

See DataDog/datadog-api-spec#743

[nmuesch]

/azp run

[azure-pipelines]

Azure Pipelines successfully started running 1 pipeline(s).

[codecov]

Codecov Report

Merging #607 (8315550) into master (4aef06e) will decrease coverage by 0.57%.
The diff coverage is 0.95%.

Impacted Files	Coverage Δ	Complexity Δ
...dog/api/v1/client/model/SLOCorrectionCategory.java	0.00% <0.00%> (ø)	0.00 <0.00> (?)
...pi/v1/client/model/SLOCorrectionCreateRequest.java	0.00% <0.00%> (ø)	0.00 <0.00> (?)
...nt/model/SLOCorrectionCreateRequestAttributes.java	0.00% <0.00%> (ø)	0.00 <0.00> (?)
...1/client/model/SLOCorrectionCreateRequestData.java	0.00% <0.00%> (ø)	0.00 <0.00> (?)
...api/v1/client/model/SLOCorrectionListResponse.java	0.00% <0.00%> (ø)	0.00 <0.00> (?)
...v1/client/model/SLOCorrectionListResponseData.java	0.00% <0.00%> (ø)	0.00 <0.00> (?)
...dog/api/v1/client/model/SLOCorrectionResponse.java	0.00% <0.00%> (ø)	0.00 <0.00> (?)
.../client/model/SLOCorrectionResponseAttributes.java	0.00% <0.00%> (ø)	0.00 <0.00> (?)
...api/v1/client/model/SLOCorrectionResponseData.java	0.00% <0.00%> (ø)	0.00 <0.00> (?)
...pi/v1/client/model/SLOCorrectionUpdateRequest.java	0.00% <0.00%> (ø)	0.00 <0.00> (?)
... and 16 more