build(deps): update dependency pytest-flask to v1.3.0

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
pytest-flask	1.2.0 -> 1.3.0

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Release Notes

pytest-dev/pytest-flask (pytest-flask)

### [`v1.3.0`](https://redirect.github.com/pytest-dev/pytest-flask/compare/1.2.0...1.3.0) [Compare Source](https://redirect.github.com/pytest-dev/pytest-flask/compare/1.2.0...1.3.0)

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