Update dependency PyYAML to v5.4.1

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
PyYAML (source)	==5.3.1 -> ==5.4.1

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Release Notes

yaml/pyyaml

### [`v5.4.1`](https://togithub.com/yaml/pyyaml/compare/5.4...5.4.1) [Compare Source](https://togithub.com/yaml/pyyaml/compare/5.4...5.4.1) ### [`v5.4`](https://togithub.com/yaml/pyyaml/compare/5.3.1...5.4) [Compare Source](https://togithub.com/yaml/pyyaml/compare/5.3.1...5.4)

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