v4.8.1

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