📝 Update release notes

[skip ci]

docs/en/docs/release-notes.md

@@ -23,6 +23,7 @@ hide:
 
 ### Internal
 
+* 🔧 Update sponsors: Add Railway. PR [#13953](https://github.com/fastapi/fastapi/pull/13953) by [@tiangolo](https://github.com/tiangolo).
 * ⚒️ Update translate script, update prompt to minimize generated diff. PR [#13947](https://github.com/fastapi/fastapi/pull/13947) by [@YuriiMotov](https://github.com/YuriiMotov).
 * ⬆ [pre-commit.ci] pre-commit autoupdate. PR [#13943](https://github.com/fastapi/fastapi/pull/13943) by [@pre-commit-ci[bot]](https://github.com/apps/pre-commit-ci).
 * ⚒️ Tweak translate script and CI. PR [#13939](https://github.com/fastapi/fastapi/pull/13939) by [@tiangolo](https://github.com/tiangolo).