Differentiate between routing values in bodies versus query string

[Xtansia]

Description

Differentiate between routing values in bodies versus query string

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.
For more information on following Developer Certificate of Origin and signing off your commits, please check here.

[github-actions]

Changes Analysis

Commit SHA: 9d6dd77
Comparing To SHA: d2733fe

API Changes

Summary

└─┬Components
  ├──[➕] schemas (31481:7)
  └─┬_common:Routing
    ├──[➕] type (31479:13)❌ 
    ├──[➖] oneOf (31480:11)❌ 
    └──[➖] oneOf (31481:11)❌ 

Document Element	Total Changes	Breaking Changes
components	4	3

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

Report

The full API changes report is available at: https://github.com/opensearch-project/opensearch-api-specification/actions/runs/11396646594/artifacts/2072223121

API Coverage

	Before	After	Δ
Covered (%)	588 (57.59 %)	588 (57.59 %)	0 (0 %)
Uncovered (%)	433 (42.41 %)	433 (42.41 %)	0 (0 %)
Unknown	29	29	0

[github-actions]

Spec Test Coverage Analysis

Total	Tested
504	317 (62.9 %)