Bump flask from 3.1.0 to 3.1.1 in /app (#125)

Bumps [flask](https://github.com/pallets/flask) from 3.1.0 to 3.1.1.
- [Release notes](https://github.com/pallets/flask/releases)
- [Changelog](https://github.com/pallets/flask/blob/main/CHANGES.rst)
- [Commits](pallets/flask@3.1.0...3.1.1)

---
updated-dependencies:
- dependency-name: flask
  dependency-version: 3.1.1
  dependency-type: direct:production
...

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Author: dependabot[bot]

app/poetry.lock

@@ -7,7 +7,7 @@ authors = [
 ]
 
 [tool.poetry.dependencies]
-flask = "^3.1.0"
+flask = "^3.1.1"
 flask-Cors = "^4.0.1"
 flask-migrate = "^4.0.7"
 flask-sqlalchemy = "3.0.5"