Update dependency pyqtorch to v1.4.5

[renovate[bot]]

Renovate Update

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
pyqtorch	==1.4.4 -> ==1.4.5

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Release Notes

pasqal-io/pyqtorch (pyqtorch)

### [`v1.4.5`](https://togithub.com/pasqal-io/pyqtorch/releases/tag/v1.4.5) [Compare Source](https://togithub.com/pasqal-io/pyqtorch/compare/v1.4.4...v1.4.5) #### What's Changed - \[Performance, Refactor] Operator multiplication without explicit identities by [@​jpmoutinho](https://togithub.com/jpmoutinho) in [https://github.com/pasqal-io/pyqtorch/pull/268](https://togithub.com/pasqal-io/pyqtorch/pull/268) - \[Feature] Add issue template by [@​chMoussa](https://togithub.com/chMoussa) in [https://github.com/pasqal-io/pyqtorch/pull/269](https://togithub.com/pasqal-io/pyqtorch/pull/269) **Full Changelog**: https://github.com/pasqal-io/pyqtorch/compare/v1.4.4...v1.4.5

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