Bump flask from 0.12.2 to 2.3.2

Bumps [flask](https://github.com/pallets/flask) from 0.12.2 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@0.12.2...2.3.2)

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

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

Author: dependabot[bot]

setup.py

@@ -117,7 +117,7 @@
     install_requires=[
         "six",
         "aniso8601==1.2.0",
-        "Flask==0.12.2",
+        "Flask==2.2.5",
         "Flask-RESTful==0.3.4",
         "Jinja2==2.11.3",
         "MarkupSafe==1.1.1",