🔧 Update sponsors, add Jina back as bronze sponsor (#10050)

docs/en/data/sponsors.yml

@@ -37,3 +37,6 @@ bronze:
   - url: https://www.flint.sh
     title: IT expertise, consulting and development by passionate people
     img: https://fastapi.tiangolo.com/img/sponsors/flint.png
+  - url: https://bit.ly/3JJ7y5C
+    title: Build cross-modal and multimodal applications on the cloud
+    img: https://fastapi.tiangolo.com/img/sponsors/jina2.svg