Merge pull request #80 from Cielquan/dependabot/pip/flask-gte-1.1.2-a…

…nd-lt-4.0.0

Update flask requirement from >=1.1.2,<3.0.0 to >=1.1.2,<4.0.0

pyproject.toml

@@ -35,7 +35,7 @@ env_exe_runner = 'formelsammlung.env_exe_runner:cli_caller'
 [tool.poetry.dependencies]
 python = "^3.8.1"
 # EXTRA flask
-flask = {version = ">=1.1.2,<3.0.0", optional = true}
+flask = {version = ">=1.1.2,<4.0.0", optional = true}
 # EXTRA testing
 pytest = { version = ">=7.2.0", optional = true }
 pytest-cov = {version = ">=3.0", optional = true}