Bump flask from 2.1.3 to 2.3.2 (#13)

Bumps [flask](https://github.com/pallets/flask) from 2.1.3 to 2.3.2.
- [Release notes](https://github.com/pallets/flask/releases)
- [Changelog](https://github.com/pallets/flask/blob/main/CHANGES.rst)
- [Commits](pallets/flask@2.1.3...2.3.2)

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

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

requirements.txt

@@ -1,2 +1,2 @@
-Flask==2.1.3
+Flask==2.3.2
 pymongo==4.2.0