build: ⬆️ bump pytz from 2022.7.1 to 2023.2 (#81)

Bumps [pytz](https://github.com/stub42/pytz) from 2022.7.1 to 2023.2.
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/stub42/pytz/commit/8c73ebde48dd7119b37c7a0fc62cdbd86f5716ab"><code>8c73ebd</code></a>
Bump version numbers to 2023.2 and 2023b</li>
<li><a
href="https://github.com/stub42/pytz/commit/80743c87d7a3e45503915d1b56cf8e87a9e45f0b"><code>80743c8</code></a>
IANA 2023b</li>
<li><a
href="https://github.com/stub42/pytz/commit/a341b6cab54aafffbf74a412ad8afc9587055d59"><code>a341b6c</code></a>
Squashed 'tz/' changes from 4e604e411..6fdef0a54</li>
<li>See full diff in <a
href="https://github.com/stub42/pytz/compare/release_2022.7.1...release_2023.2">compare
view</a></li>
</ul>
</details>
<br />


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