Bump starlette from 0.37.2 to 0.38.2 in /api

Bumps [starlette](https://github.com/encode/starlette) from 0.37.2 to 0.38.2.
- [Release notes](https://github.com/encode/starlette/releases)
- [Changelog](https://github.com/encode/starlette/blob/master/docs/release-notes.md)
- [Commits](encode/starlette@0.37.2...0.38.2)

---
updated-dependencies:
- dependency-name: starlette
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

api/requirements.txt

@@ -384,9 +384,9 @@ sniffio==1.3.1 \
     # via
     #   anyio
     #   httpx
-starlette==0.37.2 \
-    --hash=sha256:6fe59f29268538e5d0d182f2791a479a0c64638e6935d1c6989e63fb2699c6ee \
-    --hash=sha256:9af890290133b79fc3db55474ade20f6220a364a0402e0b556e7cd5e1e093823
+starlette==0.38.2 \
+    --hash=sha256:4ec6a59df6bbafdab5f567754481657f7ed90dc9d69b0c9ff017907dd54faeff \
+    --hash=sha256:c7c0441065252160993a1a37cf2a73bb64d271b17303e0b0c1eb7191cfb12d75
     # via fastapi
 typer==0.12.4 \
     --hash=sha256:819aa03699f438397e876aa12b0d63766864ecba1b579092cc9fe35d886e34b6 \

api/tests/requirements.txt

@@ -531,9 +531,9 @@ sniffio==1.3.1 \
     # via
     #   anyio
     #   httpx
-starlette==0.37.2 \
-    --hash=sha256:6fe59f29268538e5d0d182f2791a479a0c64638e6935d1c6989e63fb2699c6ee \
-    --hash=sha256:9af890290133b79fc3db55474ade20f6220a364a0402e0b556e7cd5e1e093823
+starlette==0.38.2 \
+    --hash=sha256:4ec6a59df6bbafdab5f567754481657f7ed90dc9d69b0c9ff017907dd54faeff \
+    --hash=sha256:c7c0441065252160993a1a37cf2a73bb64d271b17303e0b0c1eb7191cfb12d75
     # via fastapi
 typer==0.12.4 \
     --hash=sha256:819aa03699f438397e876aa12b0d63766864ecba1b579092cc9fe35d886e34b6 \