Fixed BulkResponseBase item with defined property

[lucy66hw]

Description

• Change BulkResponseBase item using defined index, delete, update and create property.
• Modify primary_term to use int64.
  ref: https://github.com/opensearch-project/OpenSearch/blob/main/server/src/main/java/org/opensearch/index/get/GetResult.java#L373
• Modify phaseTook to use int64
  ref: https://github.com/opensearch-project/OpenSearch/blob/1a5331727b8037b4bcaf3e7c2a46dfb467259d13/server/src/main/java/org/opensearch/action/search/SearchRequestContext.java#L69

[github-actions]

Changes Analysis

Commit SHA: 7f69c51
Comparing To SHA: c5ca97a

API Changes

Summary

└─┬Components
  ├──[➕] schemas (49462:7)
  ├─┬_common___InlineGetDictUserDefined
  │ └─┬_primary_term
  │   └──[🔀] format (38758:19)❌ 
  └─┬_common___ErrorResponseBase
    └─┬status
      ├──[🔀] type (38239:17)❌ 
      └──[➕] format (38240:19)❌ 

Document Element	Total Changes	Breaking Changes
components	4	3

• ❌ BREAKING Changes: 3 out of 4
• Modifications: 2
• Additions: 2
• Breaking Modifications: 2
• Breaking Additions: 1

Report

The full API changes report is available at: https://github.com/opensearch-project/opensearch-api-specification/actions/runs/16922523569/artifacts/3749818765

API Coverage

	Before	After	Δ
Covered (%)	666 (65.23 %)	666 (65.23 %)	0 (0 %)
Uncovered (%)	355 (34.77 %)	355 (34.77 %)	0 (0 %)
Unknown	128	128	0

[github-actions]

Spec Test Coverage Analysis

Total	Tested
681	679 (99.71 %)