Bump starlette from 0.28.0 to 0.36.2 in /docker_images/nemo

Bumps [starlette](https://github.com/encode/starlette) from 0.28.0 to 0.36.2.
- [Release notes](https://github.com/encode/starlette/releases)
- [Changelog](https://github.com/encode/starlette/blob/master/docs/release-notes.md)
- [Commits](encode/starlette@0.28.0...0.36.2)

---
updated-dependencies:
- dependency-name: starlette
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

docker_images/nemo/requirements.txt

@@ -1,4 +1,4 @@
-starlette==0.28.0
+starlette==0.36.2
 api-inference-community==0.0.27
 nemo_toolkit[all]>=1.18.1
 huggingface_hub==0.15.1