Bump flask from 1.1.1 to 2.3.2 in /google-news-webapp

Bumps [flask](https://github.com/pallets/flask) from 1.1.1 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@1.1.1...2.3.2)

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

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

google-news-webapp/requirements.txt

@@ -1,5 +1,5 @@
 Click==7.0
-Flask==1.1.1
+Flask==2.3.2
 gunicorn==20.0.4
 itsdangerous==1.1.0
 Jinja2==2.11.3