chore(deps): update dependency pytest-operator to v0.37.0

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
pytest-operator	==0.36.0 -> ==0.37.0

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Release Notes

charmed-kubernetes/pytest-operator (pytest-operator)

### [`v0.37.0`](https://redirect.github.com/charmed-kubernetes/pytest-operator/releases/tag/v0.37.0): 0.37.0 [Compare Source](https://redirect.github.com/charmed-kubernetes/pytest-operator/compare/v0.36.0...v0.37.0)

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