Bump tiktoken from 0.5.2 to 0.6.0 (#110)

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Bumps [tiktoken](https://github.com/openai/tiktoken) from 0.5.2 to
0.6.0.
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a
href="https://github.com/openai/tiktoken/blob/main/CHANGELOG.md">tiktoken's
changelog</a>.</em></p>
<blockquote>
<h2>[v0.6.0]</h2>
<ul>
<li>Optimise regular expressions for a 20% performance improvement,
thanks to <a
href="https://github.com/paplorinc"><code>@​paplorinc</code></a>!</li>
<li>Add <code>text-embedding-3-*</code> models to
<code>encoding_for_model</code></li>
<li>Check content hash for downloaded files</li>
<li>Allow pickling <code>Encoding</code> objects. Registered
<code>Encoding</code> will be pickled by reference</li>
<li>Workaround PyO3 bug for frozenset conversion</li>
</ul>
<p>Thank you to <a
href="https://github.com/paplorinc"><code>@​paplorinc</code></a>, <a
href="https://github.com/mdwelsh"><code>@​mdwelsh</code></a>, <a
href="https://github.com/Praneet460"><code>@​Praneet460</code></a>!</p>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/openai/tiktoken/commit/84d88dca52d591481b986ae386108e632b32cd61"><code>84d88dc</code></a>
Allow use of gpt-2 and gpt-3.5 in encoding_for_model (<a
href="https://redirect.github.com/openai/tiktoken/issues/185">#185</a>)</li>
<li><a
href="https://github.com/openai/tiktoken/commit/01df4360a1fa4581550b6f144e1541c952824569"><code>01df436</code></a>
Update cibuildwheel</li>
<li><a
href="https://github.com/openai/tiktoken/commit/89153d70db062e35c585c06568f6ace6f43079bd"><code>89153d7</code></a>
Sync codebase</li>
<li><a
href="https://github.com/openai/tiktoken/commit/55c8d83da33a2986b5cb259997d6b2c20f078d79"><code>55c8d83</code></a>
added two new embedding model's encoding (<a
href="https://redirect.github.com/openai/tiktoken/issues/247">#247</a>)</li>
<li><a
href="https://github.com/openai/tiktoken/commit/6cc3a46c8dd43a913612b9c839a51936a2c6bd41"><code>6cc3a46</code></a>
Optimize regular expressions used for splitting by ~20% (<a
href="https://redirect.github.com/openai/tiktoken/issues/234">#234</a>)</li>
<li><a
href="https://github.com/openai/tiktoken/commit/db5bda9fc93b3171db6c4afea329394e6b6d31ca"><code>db5bda9</code></a>
Clarify language models in README (<a
href="https://redirect.github.com/openai/tiktoken/issues/203">#203</a>)</li>
<li><a
href="https://github.com/openai/tiktoken/commit/3ee6c3517d3465775dc22f06a034cfcf8d06eba7"><code>3ee6c35</code></a>
Add support for checking hash of downloaded files before use. (<a
href="https://redirect.github.com/openai/tiktoken/issues/230">#230</a>)</li>
<li>See full diff in <a
href="https://github.com/openai/tiktoken/compare/0.5.2...0.6.0">compare
view</a></li>
</ul>
</details>
<br />


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Author: dependabot[bot]

poetry.lock

@@ -26,7 +26,7 @@ langchain = ">=0.0.352,<0.1.6"
 pytest-docker = ">=2.0.1,<4.0.0"
 pytest-xdist = "^3.5.0"
 openai = "^1.6.0"
-tiktoken = "^0.5.2"
+tiktoken = ">=0.5.2,<0.7.0"
 pytest-cov = "^4.1.0"
 
 [tool.poetry.group.codespell]