📝 Update release notes

[skip ci]

docs/en/data/sponsors.yml

@@ -65,9 +65,6 @@ bronze:
   # - url: https://testdriven.io/courses/tdd-fastapi/
   #   title: Learn to build high-quality web apps with best practices
   #   img: https://fastapi.tiangolo.com/img/sponsors/testdriven.svg
-  - url: https://lambdatest.com/?utm_source=fastapi&utm_medium=partner&utm_campaign=sponsor&utm_term=opensource&utm_content=webpage
-    title: LambdaTest, AI-Powered Cloud-based Test Orchestration Platform
-    img: https://fastapi.tiangolo.com/img/sponsors/lambdatest.png
-  - url: https://requestly.com/fastapi
-    title: All-in-one platform to Test, Mock and Intercept APIs. Built for speed, privacy and offline support.
-    img: https://fastapi.tiangolo.com/img/sponsors/requestly.png
+  - url: https://www.testmu.ai/?utm_source=fastapi&utm_medium=partner&utm_campaign=sponsor&utm_term=opensource&utm_content=webpage
+    title: TestMu AI. The Native AI-Agentic Cloud Platform to Supercharge Quality Engineering.
+    img: https://fastapi.tiangolo.com/img/sponsors/testmu.png

docs/en/docs/release-notes.md

@@ -30,6 +30,8 @@ hide:
 
 ### Internal
 
+* 🔧 Update sponsors: remove Requestly. PR [#14735](https://github.com/fastapi/fastapi/pull/14735) by [@tiangolo](https://github.com/tiangolo).
+* 🔧 Update sponsors, LambdaTest changes to TestMu AI. PR [#14734](https://github.com/fastapi/fastapi/pull/14734) by [@tiangolo](https://github.com/tiangolo).
 * ⬆ Bump actions/cache from 4 to 5. PR [#14511](https://github.com/fastapi/fastapi/pull/14511) by [@dependabot[bot]](https://github.com/apps/dependabot).
 * ⬆ Bump actions/upload-artifact from 5 to 6. PR [#14525](https://github.com/fastapi/fastapi/pull/14525) by [@dependabot[bot]](https://github.com/apps/dependabot).
 * ⬆ Bump actions/download-artifact from 6 to 7. PR [#14526](https://github.com/fastapi/fastapi/pull/14526) by [@dependabot[bot]](https://github.com/apps/dependabot).