Bump sqlparse from 0.4.3 to 0.4.4 in /examples/stacks/django (#940)

Bumps [sqlparse](https://github.com/andialbrecht/sqlparse) from 0.4.3 to
0.4.4.
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a
href="https://github.com/andialbrecht/sqlparse/blob/master/CHANGELOG">sqlparse's
changelog</a>.</em></p>
<blockquote>
<h2>Release 0.4.4 (Apr 18, 2023)</h2>
<p>Notable Changes</p>
<ul>
<li>IMPORTANT: This release fixes a security vulnerability in the
parser where a regular expression vulnerable to ReDOS (Regular
Expression Denial of Service) was used. See the security advisory
for details: <a
href="https://github.com/andialbrecht/sqlparse/security/advisories/GHSA-rrm6-wvj7-cwh2">https://github.com/andialbrecht/sqlparse/security/advisories/GHSA-rrm6-wvj7-cwh2</a>
The vulnerability was discovered by <a
href="https://github.com/erik-krogh"><code>@​erik-krogh</code></a> from
GitHub
Security Lab (GHSL). Thanks for reporting!</li>
</ul>
<p>Bug Fixes</p>
<ul>
<li>Revert a change from 0.4.0 that changed IN to be a comparison
(issue694).
The primary expectation is that IN is treated as a keyword and not as a
comparison operator. That also follows the definition of reserved
keywords
for the major SQL syntax definitions.</li>
<li>Fix regular expressions for string parsing.</li>
</ul>
<p>Other</p>
<ul>
<li>sqlparse now uses pyproject.toml instead of setup.cfg
(issue685).</li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/andialbrecht/sqlparse/commit/647d1457acf7d88614215841eb15d423df2a1895"><code>647d145</code></a>
Update Changelog.</li>
<li><a
href="https://github.com/andialbrecht/sqlparse/commit/58dae6fcd2a51209aeccd4fff3b923bf37714e19"><code>58dae6f</code></a>
Bump version.</li>
<li><a
href="https://github.com/andialbrecht/sqlparse/commit/d9d69f47ed13a583c81473211f44ae320470a58b"><code>d9d69f4</code></a>
Removed test file</li>
<li><a
href="https://github.com/andialbrecht/sqlparse/commit/64bb91f4880b46f73b4cc9207ae9ccc180d56d1b"><code>64bb91f</code></a>
Testing branch</li>
<li><a
href="https://github.com/andialbrecht/sqlparse/commit/c457abd5f097dd13fb21543381e7cfafe7d31cfb"><code>c457abd</code></a>
Remove unnecessary parts in regex for bad escaping.</li>
<li><a
href="https://github.com/andialbrecht/sqlparse/commit/b949fdf9a1538f98b57612bef6306fc38f32aaf7"><code>b949fdf</code></a>
CI: Use codecov action.</li>
<li><a
href="https://github.com/andialbrecht/sqlparse/commit/fc76056fb8f0ec713a3f2a2b6206a3336932c382"><code>fc76056</code></a>
Cleanup regex for detecting keywords (fixes <a
href="https://redirect.github.com/andialbrecht/sqlparse/issues/709">#709</a>).</li>
<li><a
href="https://github.com/andialbrecht/sqlparse/commit/7fdb2da82d51a9a02baaefb5c7fe5cbbaac4329e"><code>7fdb2da</code></a>
Merge pull request <a
href="https://redirect.github.com/andialbrecht/sqlparse/issues/633">#633</a>
from shikanime/master</li>
<li><a
href="https://github.com/andialbrecht/sqlparse/commit/dd9d5b91d7aa30e4a000d5370f09dc99378891dc"><code>dd9d5b9</code></a>
Fix get_type with comments between WITH keyword</li>
<li><a
href="https://github.com/andialbrecht/sqlparse/commit/907fb496f90f2719095a1f01fe24db1e5c0e15a8"><code>907fb49</code></a>
change singleton behavior</li>
<li>Additional commits viewable in <a
href="https://github.com/andialbrecht/sqlparse/compare/0.4.3...0.4.4">compare
view</a></li>
</ul>
</details>
<br />


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examples/stacks/django/requirements.txt

@@ -1,4 +1,4 @@
 asgiref==3.6.0
 Django==4.1.7
 psycopg2==2.9.5
-sqlparse==0.4.3
+sqlparse==0.4.4