Bump greenlet from 3.0.1 to 3.0.3 (#182)

Bumps [greenlet](https://github.com/python-greenlet/greenlet) from 3.0.1
to 3.0.3.
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a
href="https://github.com/python-greenlet/greenlet/blob/master/CHANGES.rst">greenlet's
changelog</a>.</em></p>
<blockquote>
<h1>3.0.3 (2023-12-21)</h1>
<ul>
<li>Python 3.12: Restore the full ability to walk the stack of a
suspended
greenlet; previously only the innermost frame was exposed. See
<code>issue 388
&lt;https://github.com/python-greenlet/greenlet/issues/388&gt;</code><em>.
Fix by
Joshua Oreman in <code>PR 393
&lt;https://github.com/python-greenlet/greenlet/pull/393/&gt;</code></em>.</li>
</ul>
<h1>3.0.2 (2023-12-08)</h1>
<ul>
<li>Packaging: Add a minimal <code>pyproject.toml</code> to sdists.</li>
<li>Packaging: Various updates to macOS wheels.</li>
<li>Fix a test case on Arm32. Note that this is not a supported platform
(there is no CI for it) and support is best effort; there may be
other issues lurking. See <code>issue 385
&lt;https://github.com/python-greenlet/greenlet/issues/385&gt;</code>_</li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/python-greenlet/greenlet/commit/ea4bc2776c75429a577e539389fee40ad9e46707"><code>ea4bc27</code></a>
Preparing release 3.0.3</li>
<li><a
href="https://github.com/python-greenlet/greenlet/commit/7694880b128bfa54ea0ece59974695a06af09931"><code>7694880</code></a>
Make doctests work on 3.7 again, which doesn't have importlib.</li>
<li><a
href="https://github.com/python-greenlet/greenlet/commit/073b1e1cf4ec25a8b90a534176bf79336d87689e"><code>073b1e1</code></a>
Linting. Add linting to CI.</li>
<li><a
href="https://github.com/python-greenlet/greenlet/commit/9e73b59eadb68017c25e8fabf0b9dba2eef6f150"><code>9e73b59</code></a>
Docs: Update from the old default theme to furo.</li>
<li><a
href="https://github.com/python-greenlet/greenlet/commit/5f4b4bbc098330b87211405ef50e276325c15a53"><code>5f4b4bb</code></a>
Py3.12: Always expose greenlet frames on a switch.</li>
<li><a
href="https://github.com/python-greenlet/greenlet/commit/13148f9f975924da18bef14054a558160e13369c"><code>13148f9</code></a>
Update comment that was still referring to a different, less-robust
approach ...</li>
<li><a
href="https://github.com/python-greenlet/greenlet/commit/b5f9d232c401d8fba8710778ad85b29a41ec3924"><code>b5f9d23</code></a>
Restore stack introspection ability on 3.12</li>
<li><a
href="https://github.com/python-greenlet/greenlet/commit/edbdda27ab1983ac157b588dd0c04816cb31b0ea"><code>edbdda2</code></a>
Back to development: 3.0.3</li>
<li><a
href="https://github.com/python-greenlet/greenlet/commit/719ea473c61e9934cb75ebd04a52dda32a030863"><code>719ea47</code></a>
Preparing release 3.0.2</li>
<li><a
href="https://github.com/python-greenlet/greenlet/commit/2c0793c1b35e785d4353d4c6ce17cde2137da1c4"><code>2c0793c</code></a>
Add change note about macOS wheels.</li>
<li>Additional commits viewable in <a
href="https://github.com/python-greenlet/greenlet/compare/3.0.1...3.0.3">compare
view</a></li>
</ul>
</details>
<br />


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Pipfile

@@ -19,7 +19,7 @@ filelock = "==3.13.1"
 flask-cors = "==4.0.0"
 flask-restful = "==0.3.10"
 flask = "==3.0.2"
-greenlet = "==3.0.1"
+greenlet = "==3.0.3"
 ics = "==0.7.2"
 itsdangerous = ">=1.1.0"
 jinja2 = ">=2.11.3"

requirements.txt

@@ -17,7 +17,7 @@ filelock==3.13.1; python_version >= '3.8'
 flask==3.0.2; python_version >= '3.8'
 flask-cors==4.0.0
 flask-restful==0.3.10
-greenlet==3.0.1; python_version >= '3.7'
+greenlet==3.0.3; python_version >= '3.7'
 ics==0.7.2
 importlib-metadata==7.0.1; python_version < '3.9'
 importlib-resources==6.1.1; python_version < '3.9'