v4.3.5

## Warning
Do not upgrade to this release if you want to preserve your existing indexed documents but have not yet run the document index migration, which can be done from any version v3.x. [See additional documentation here](https://docs.onyx.app/admins/advanced_configs/opensearch_document_index_migration#opensearch-document-index-migration).

See the assets to download this version and install.

## What's Changed
* fix: public root nodes (#12880) to release v4.3 by @onyx-cherry-pick[bot] in https://github.com/onyx-dot-app/onyx/pull/12889
* fix(open_url): resolve type-ambiguous Google Drive links to indexed docs (#12892) to release v4.3 by @onyx-cherry-pick[bot] in https://github.com/onyx-dot-app/onyx/pull/12895
* fix(web): render Nebius provider logo on its lime brand tile (#12951) to release v4.3 by @onyx-cherry-pick[bot] in https://github.com/onyx-dot-app/onyx/pull/12955
* fix(ttl): isolate + batch chat retention cleanup off the primary queue (#12928) [backport v4.3] by @justin-tahara in https://github.com/onyx-dot-app/onyx/pull/12959
* ci(craft-k8s): scope the helm trigger to sandbox/craft chart paths (#12957) to release v4.3 by @onyx-cherry-pick[bot] in https://github.com/onyx-dot-app/onyx/pull/12958
* feat(web): group LLM providers into labeled sections (#12953) to release v4.3 by @onyx-cherry-pick[bot] in https://github.com/onyx-dot-app/onyx/pull/12962
* fix(scim): return 409 not 500 on concurrent duplicate user create (#12966) to release v4.3 by @onyx-cherry-pick[bot] in https://github.com/onyx-dot-app/onyx/pull/12970
* fix(celery): backport #12964 to release/v4.3 — model-server timeouts, hierarchy queue, bounded lock by @justin-tahara in https://github.com/onyx-dot-app/onyx/pull/12969

**Full Changelog**: https://github.com/onyx-dot-app/onyx/compare/v4.3.4...v4.3.5