Update fastapi requirement from <0.96,>=0.92 to >=0.92,<0.104 (#103)

Updates the requirements on [fastapi](https://github.com/tiangolo/fastapi) to permit the latest version.
- [Release notes](https://github.com/tiangolo/fastapi/releases)
- [Commits](fastapi/fastapi@0.92.0...0.103.0)

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

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pyproject.toml

@@ -53,7 +53,7 @@ test = [
     "psycopg2-binary >=2.9.5, <3.0.0",
     "Pillow >=9.4.0, <10.1.0",
     "python-multipart ==0.0.6",
-    "fastapi >=0.92, <0.96",
+    "fastapi >=0.92, <0.104",
     "Flask >=2.2, <2.3",
     "Flask-SQLAlchemy >=3.0,<3.1"
 ]