Bump flask from 2.2.0 to 2.2.1

Bumps [flask](https://github.com/pallets/flask) from 2.2.0 to 2.2.1.
- [Release notes](https://github.com/pallets/flask/releases)
- [Changelog](https://github.com/pallets/flask/blob/main/CHANGES.rst)
- [Commits](pallets/flask@2.2.0...2.2.1)

---
updated-dependencies:
- dependency-name: flask
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

requirements.txt

@@ -1,2 +1,2 @@
-flask==2.2.0
+flask==2.2.1
 google-cloud-storage==2.4.0

setup.py

@@ -58,7 +58,7 @@
     setup_requires=[
         "wheel",
     ],
-    install_requires=["flask==2.2.0"],
+    install_requires=["flask==2.2.1"],
     extras_require={
         "aws": ["boto3==1.24.46"],
         "docker": ["gunicorn==20.1.0"],