v4.8.1

## 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(web): hide craft_file from the Add Connector page (#14991) to release v4.8 by @onyx-cherry-pick[bot] in https://github.com/onyx-dot-app/onyx/pull/14996
* fix(whitelabeling): use the custom app name in every catalog string (#15049) to release v4.8 by @nmgarza5 in https://github.com/onyx-dot-app/onyx/pull/15057
* fix: SharePoint libraries whose URL differs from their display name (#15058) to release v4.8 by @onyx-cherry-pick[bot] in https://github.com/onyx-dot-app/onyx/pull/15074
* fix(mcp): single-flight SDK-driven OAuth refresh across concurrent tool calls (#15040) to release v4.8 by @onyx-cherry-pick[bot] in https://github.com/onyx-dot-app/onyx/pull/15048
* fix(deployment): pull MinIO from our own Docker Hub mirror (#15086) to release v4.8 by @nmgarza5 in https://github.com/onyx-dot-app/onyx/pull/15087

**Full Changelog**: https://github.com/onyx-dot-app/onyx/compare/v4.8.0...v4.8.1