Bump flask from 1.1.1 to 2.3.2

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](https://github.com/pallets/flask/compare/1.1.1...2.3.2)

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

Signed-off-by: dependabot[bot] <support@github.com>
diff --git a/requirements.txt b/requirements.txt
index e0df9d6..8aec51a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -19,7 +19,7 @@
 docker==4.2.0
 apache-airflow==2.1.2
 click==7.1.1
-Flask==1.1.1
+Flask==2.3.2
 pyyaml==5.4.1
 boto3==1.17.112
 botocore==1.20.112