Update dependency PyNaCl to v1.5.0

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
PyNaCl	==1.4.0 -> ==1.5.0

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Release Notes

pyca/pynacl

### [`v1.5.0`](https://togithub.com/pyca/pynacl/blob/HEAD/CHANGELOG.rst#​150-2022-01-07) [Compare Source](https://togithub.com/pyca/pynacl/compare/1.4.0...1.5.0) - **BACKWARDS INCOMPATIBLE:** Removed support for Python 2.7 and Python 3.5. - **BACKWARDS INCOMPATIBLE:** We no longer distribute `manylinux1` wheels. - Added `manylinux2014`, `manylinux_2_24`, `musllinux`, and macOS `universal2` wheels (the latter supports macOS `arm64`). - Update `libsodium` to 1.0.18-stable (July 25, 2021 release). - Add inline type hints.

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