chore: 🐝 Update SDK - Generate 0.26.4

[github-actions]

Important

Linting report available at: https://app.speakeasy.com/org/unstructured/unstructured5xr/linting-report/08115ab13798ee27787bd8ee51458032
OpenAPI Change report available at: https://app.speakeasy.com/org/unstructured/unstructured5xr/changes-report/a2dfa461461a510d9f48ca9576b76b58

SDK update

Versioning

Version Bump Type: [patch] - 🤖 (automated)

OpenAPI Change Summary

└─┬Info
  └──[🔀] version (5:16)

Document Element	Total Changes	Breaking Changes
info	1	0

TYPESCRIPT CHANGELOG

core: 3.21.20 - 2025-08-06

🐛 Bug Fixes

• Prevent dependency version mismatch between typescript 5.8 and typescript-eslint versions earlier than 8.26.0 (commit by @bflad)

core: 3.21.19 - 2025-08-01

🐛 Bug Fixes

• referencing models before declaration (commit by @mfbx9da4)

core: 3.21.18 - 2025-07-31

🐛 Bug Fixes

• potential issue using enum before declaration in model file (commit by @mfbx9da4)

examples: 2.82.3 - 2025-08-11

🐝 New Features

• usageSDKInitImports allows configuring imports for usage snippets in conjunction with usageSDKInit (commit by @mfbx9da4)

examples: 2.83.0 - 2025-08-05

🐝 New Features

• allow configuration of SDK construction in the generated usage examples (commit by @mfbx9da4)

Based on Speakeasy CLI 1.605.0