Bump tzinfo-data from 1.2022.7 to 1.2023.4 in /docs (#266)

Bumps [tzinfo-data](https://github.com/tzinfo/tzinfo-data) from 1.2022.7
to 1.2023.4.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a
href="https://github.com/tzinfo/tzinfo-data/releases">tzinfo-data's
releases</a>.</em></p>
<blockquote>
<h2>v1.2023.4</h2>
<p>Based on version 2023d of the IANA Time Zone Database (<a
href="https://mm.icann.org/pipermail/tz-announce/2023-December/000080.html">https://mm.icann.org/pipermail/tz-announce/2023-December/000080.html</a>).</p>
<h2>v1.2023.3</h2>
<p>Based on version 2023c of the IANA Time Zone Database (<a
href="https://mm.icann.org/pipermail/tz-announce/2023-March/000079.html">https://mm.icann.org/pipermail/tz-announce/2023-March/000079.html</a>).</p>
<h2>v1.2023.2</h2>
<p>Based on version 2023b of the IANA Time Zone Database (<a
href="https://mm.icann.org/pipermail/tz-announce/2023-March/000078.html">https://mm.icann.org/pipermail/tz-announce/2023-March/000078.html</a>).</p>
<h2>v1.2023.1</h2>
<p>Based on version 2023a of the IANA Time Zone Database (<a
href="https://mm.icann.org/pipermail/tz-announce/2023-March/000077.html">https://mm.icann.org/pipermail/tz-announce/2023-March/000077.html</a>).</p>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/tzinfo/tzinfo-data/commit/b686ad1a06e1f1355a1de2f88917141d5eb06643"><code>b686ad1</code></a>
Update to tzdata version 2023d.</li>
<li><a
href="https://github.com/tzinfo/tzinfo-data/commit/84c34f5cfd2ce7ccb0878ae41448824cdf447fcb"><code>84c34f5</code></a>
Fix loading the gemspec file from rake with Ruby 3.3.</li>
<li><a
href="https://github.com/tzinfo/tzinfo-data/commit/8704e268ba987cba07329072d0984f1a7bd98f02"><code>8704e26</code></a>
Update to tzdata version 2023c.</li>
<li><a
href="https://github.com/tzinfo/tzinfo-data/commit/8e6a2234c24e2067631cad7f765a2285aa462f35"><code>8e6a223</code></a>
Update to tzdata version 2023b.</li>
<li><a
href="https://github.com/tzinfo/tzinfo-data/commit/8a2951c5fb376812c90bc5419c9cc31d17d36926"><code>8a2951c</code></a>
Update to tzdata version 2023a.</li>
<li><a
href="https://github.com/tzinfo/tzinfo-data/commit/d87b7fe4549be9b8f48f77de5be2a97ef3cdedb1"><code>d87b7fe</code></a>
Update to Ruby 3.2 and JRuby 9.4.</li>
<li><a
href="https://github.com/tzinfo/tzinfo-data/commit/a6cc3934718d45b6d92b126e262545bc31eec0dd"><code>a6cc393</code></a>
Rebuild modules for 2023 (adding an additional year of future
data).</li>
<li><a
href="https://github.com/tzinfo/tzinfo-data/commit/2dbf5f33f449a65f52de73ab517ab24915bc9b03"><code>2dbf5f3</code></a>
Update copyright years.</li>
<li>See full diff in <a
href="https://github.com/tzinfo/tzinfo-data/compare/v1.2022.7...v1.2023.4">compare
view</a></li>
</ul>
</details>
<br />


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docs/Gemfile.lock

@@ -255,7 +255,7 @@ GEM
       ethon (>= 0.9.0)
     tzinfo (2.0.6)
       concurrent-ruby (~> 1.0)
-    tzinfo-data (1.2022.7)
+    tzinfo-data (1.2023.4)
       tzinfo (>= 1.0.0)
     unf (0.1.4)
       unf_ext