Bulk spec fixes

[karenyrx]

Description

While working on GRPC Bulk endpoint, discovered a few discrepancies in the Bulk protos with the source code

1. routing field is a String, not array of String
2. CreateOperation does not support version_type, and versioning-related fields. makes sense as CreateOperation is for creating a document for the very first time.
3. UpdateOperation does not support version_types and will always use VersionType.INTERNAL
4. dynamic_templates is not supported for IndexOperation and CreateOperation

Issues Resolved

List any issues this PR will resolve, e.g. Closes [...].

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[dblock]

Looks like a good start. Sign DCO (git commit -s --amend), get it to green. Thanks!

[github-actions]

Changes Analysis

Commit SHA: 74cde8d
Comparing To SHA: 5d1077e

API Changes

Summary

├─┬Paths
│ ├─┬/{index}/_bulk
│ │ ├─┬PUT
│ │ │ └─┬Parameters
│ │ │   └─┬Schema
│ │ │     └──[🔀] $ref (36116:13)❌ 
│ │ └─┬POST
│ │   └─┬Parameters
│ │     └─┬Schema
│ │       └──[🔀] $ref (36116:13)❌ 
│ └─┬/_bulk
│   ├─┬PUT
│   │ └─┬Parameters
│   │   └─┬Schema
│   │     └──[🔀] $ref (36116:13)❌ 
│   └─┬POST
│     └─┬Parameters
│       └─┬Schema
│         └──[🔀] $ref (36116:13)❌ 
└─┬Components
  ├─┬_common___WaitForActiveShardOptions
  │ └──[➖] enum (36877:11)❌ 
  ├─┬_core.bulk___UpdateOperation
  │ └─┬ALLOF
  │   ├──[➕] properties (46064:13)
  │   ├──[➕] properties (46067:13)
  │   ├─┬require_alias
  │   │ ├──[🔀] type (46065:21)❌ 
  │   │ ├──[➕] format (46066:23)❌ 
  │   │ └──[➖] description (46049:28)
  │   └─┬retry_on_conflict
  │     └──[🔀] $ref (36464:13)❌ 
  ├─┬_core.bulk___IndexOperation
  │ └──[🔀] $ref (45951:7)❌ 
  ├─┬_core.bulk___WriteOperation
  │ └─┬ALLOF
  │   └──[➖] properties (46059:13)❌ 
  ├─┬_core.bulk___DeleteOperation
  │ └──[🔀] $ref (45937:7)❌ 
  ├─┬_common___ScriptBase
  │ └─┬params
  │   └──[🔀] description (36145:24)
  └─┬_core.bulk___OperationBase
    ├──[➖] properties (45950:9)❌ 
    ├──[➖] properties (45953:9)❌ 
    ├──[➖] properties (45955:9)❌ 
    └──[➖] properties (45957:9)❌ 

Document Element	Total Changes	Breaking Changes
paths	4	4
components	15	15

• ❌ BREAKING Changes: 19 out of 19
• Modifications: 9
• Removals: 7
• Additions: 3
• Breaking Removals: 6
• Breaking Modifications: 8
• Breaking Additions: 1

Report

The full API changes report is available at: https://github.com/opensearch-project/opensearch-api-specification/actions/runs/13938166691/artifacts/2796725738

API Coverage

	Before	After	Δ
Covered (%)	663 (64.94 %)	663 (64.94 %)	0 (0 %)
Uncovered (%)	358 (35.06 %)	358 (35.06 %)	0 (0 %)
Unknown	49	49	0

[github-actions]

Spec Test Coverage Analysis

Total	Tested
599	597 (99.67 %)