Update flask requirement from ^2.2.2 to ^3.0.0

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@2.2.2...3.0.0)

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

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

Author: dependabot[bot]

pyproject.toml

@@ -8,7 +8,7 @@ packages = [{include = "missionplanner_scripts"}]
 
 [tool.poetry.dependencies]
 python = "^3.9"
-flask = "^2.2.2"
+flask = "^3.0.0"
 wsgiserver = "^1.3"
 shapely = "^2.0.1"
 matplotlib = "^3.7.1"