Bump flask from 0.12.2 to 1.0 in /hooks/python/configuring-your-server

Bumps [flask](https://github.com/pallets/flask) from 0.12.2 to 1.0.
- [Release notes](https://github.com/pallets/flask/releases)
- [Changelog](https://github.com/pallets/flask/blob/main/CHANGES.rst)
- [Commits](pallets/flask@0.12.2...1.0)

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

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

hooks/python/configuring-your-server/requirements.txt

@@ -1 +1 @@
-flask==0.12.2
+flask==1.0