Regenerate client from commit 51cea8c of spec repo

Author: ci.datadog-api-spec

.generator/schemas/v2/openapi.yaml

@@ -75976,6 +75976,7 @@ paths:
       x-pagination:
         limitParam: page[size]
         pageParam: page[number]
+        pageStart: 1
         resultsPath: data
     post:
       description: Create a Case

src/main/java/com/datadog/api/client/v2/api/CaseManagementApi.java

@@ -3308,7 +3308,7 @@ public PaginationIterable<Case> searchCasesWithPagination(
     String valueGetterPath = "";
     String valueSetterPath = "pageNumber";
     Boolean valueSetterParamOptional = true;
-    parameters.pageNumber(0l);
+    parameters.pageNumber(1l);
     Long limit;
 
     if (parameters.pageSize == null) {