Update flask requirement from <3.1 to <3.2

Updates the requirements on [flask](https://github.com/pallets/flask) to permit the latest version.
- [Release notes](https://github.com/pallets/flask/releases)
- [Changelog](https://github.com/pallets/flask/blob/main/CHANGES.rst)
- [Commits](pallets/flask@0.1...3.1.2)

---
updated-dependencies:
- dependency-name: flask
  dependency-version: 3.1.2
  dependency-type: direct:production
...

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

Author: dependabot[bot]

pyproject.toml

@@ -59,7 +59,7 @@ classifiers = [
 ]
 dependencies = [
     "wireviz==0.4.1",
-    "flask<3.1",
+    "flask<3.2",
     "flask-restx<1.4",
     "werkzeug<4",
     "pillow>=9,<12",