Bump flask from 2.1.2 to 2.1.3

Bumps [flask](https://github.com/pallets/flask) from 2.1.2 to 2.1.3.
- [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/2.1.2...2.1.3)

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

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

poetry.lock

@@ -587,7 +587,7 @@ restructuredtext-lint = "*"
 
 [[package]]
 name = "flask"
-version = "2.1.2"
+version = "2.1.3"
 description = "A simple framework for building complex web applications."
 category = "main"
 optional = false
@@ -2445,8 +2445,8 @@ flake8-rst-docstrings = [
     {file = "flake8_rst_docstrings-0.2.7-py3-none-any.whl", hash = "sha256:5d56075dce360bcc9c6775bfe7cb431aa395de600ca7e8d40580a28d50b2a803"},
 ]
 flask = [
-    {file = "Flask-2.1.2-py3-none-any.whl", hash = "sha256:fad5b446feb0d6db6aec0c3184d16a8c1f6c3e464b511649c8918a9be100b4fe"},
-    {file = "Flask-2.1.2.tar.gz", hash = "sha256:315ded2ddf8a6281567edb27393010fe3406188bafbfe65a3339d5787d89e477"},
+    {file = "Flask-2.1.3-py3-none-any.whl", hash = "sha256:9013281a7402ad527f8fd56375164f3aa021ecfaff89bfe3825346c24f87e04c"},
+    {file = "Flask-2.1.3.tar.gz", hash = "sha256:15972e5017df0575c3d6c090ba168b6db90259e620ac8d7ea813a396bad5b6cb"},
 ]
 flask-admin = [
     {file = "Flask-Admin-1.6.0.tar.gz", hash = "sha256:424ffc79b7b0dfff051555686ea12e86e48dffacac14beaa319fb4502ac40988"},