chore: Bump meltano from 4.0.4 to 4.0.6 in /.github/workflows in the ci group (#590)

Bumps the ci group in /.github/workflows with 1 update:
[meltano](https://github.com/meltano/meltano).

Updates `meltano` from 4.0.4 to 4.0.6
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a
href="https://github.com/meltano/meltano/releases">meltano's
releases</a>.</em></p>
<blockquote>
<h2>v4.0.6 (2025-11-19)</h2>
<h3>🐛 Fixes</h3>
<ul>
<li><a
href="https://redirect.github.com/meltano/meltano/issues/9637">#9637</a>
Bump <code>fasteners</code> to 0.20</li>
</ul>
<h3>📚 Documentation Improvements</h3>
<ul>
<li><a
href="https://redirect.github.com/meltano/meltano/issues/9634">#9634</a>
Fix command syntax in troubleshooting docs -- <em><strong>Thanks <a
href="https://github.com/visch"><code>@​visch</code></a>!</strong></em></li>
</ul>
<h2>v4.0.5 (2025-11-04)</h2>
<h3>🐛 Fixes</h3>
<ul>
<li><a
href="https://redirect.github.com/meltano/meltano/issues/9626">#9626</a>
Expand environment variables in mapping configuration</li>
</ul>
<h3>⚙️ Under the Hood</h3>
<ul>
<li><a
href="https://redirect.github.com/meltano/meltano/issues/9627">#9627</a>
Use pattern matching to update the schedule in <code>meltano schedule
set</code></li>
</ul>
<h3>📦 Packaging changes</h3>
<ul>
<li><a
href="https://redirect.github.com/meltano/meltano/issues/9609">#9609</a>
Remove unmaintained dependency <code>flatten-dict</code></li>
</ul>
</blockquote>
</details>
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a
href="https://github.com/meltano/meltano/blob/main/CHANGELOG.md">meltano's
changelog</a>.</em></p>
<blockquote>
<h2>v4.0.6 (2025-11-19)</h2>
<h3>🐛 Fixes</h3>
<ul>
<li><a
href="https://redirect.github.com/meltano/meltano/issues/9637">#9637</a>
Bump <code>fasteners</code> to 0.20</li>
</ul>
<h3>📚 Documentation Improvements</h3>
<ul>
<li><a
href="https://redirect.github.com/meltano/meltano/issues/9634">#9634</a>
Fix command syntax in troubleshooting docs -- <em><strong>Thanks <a
href="https://github.com/visch"><code>@​visch</code></a>!</strong></em></li>
</ul>
<h2>v4.0.5 (2025-11-04)</h2>
<h3>🐛 Fixes</h3>
<ul>
<li><a
href="https://redirect.github.com/meltano/meltano/issues/9626">#9626</a>
Expand environment variables in mapping configuration</li>
</ul>
<h3>⚙️ Under the Hood</h3>
<ul>
<li><a
href="https://redirect.github.com/meltano/meltano/issues/9627">#9627</a>
Use pattern matching to update the schedule in <code>meltano schedule
set</code></li>
</ul>
<h3>📦 Packaging changes</h3>
<ul>
<li><a
href="https://redirect.github.com/meltano/meltano/issues/9609">#9609</a>
Remove unmaintained dependency <code>flatten-dict</code></li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/meltano/meltano/commit/087fcfa40ea696a0a285d575669fc9ef0ceb8755"><code>087fcfa</code></a>
chore: Release v4.0.6 (<a
href="https://redirect.github.com/meltano/meltano/issues/9649">#9649</a>)</li>
<li><a
href="https://github.com/meltano/meltano/commit/7a07a6cc467b4c980ddb93ace77495829e58caba"><code>7a07a6c</code></a>
chore: Lock file maintenance</li>
<li><a
href="https://github.com/meltano/meltano/commit/f311ae2a2d89f6af6757aa13b68cbeef32fe515d"><code>f311ae2</code></a>
test: Use time-machine v3 (<a
href="https://redirect.github.com/meltano/meltano/issues/9648">#9648</a>)</li>
<li><a
href="https://github.com/meltano/meltano/commit/0f40347c8b2bdc70dd76664e13de9d50075cfb07"><code>0f40347</code></a>
chore: Lock file maintenance</li>
<li><a
href="https://github.com/meltano/meltano/commit/e95084d69d35103972194e8d23eae515160310d6"><code>e95084d</code></a>
chore: Lock file maintenance</li>
<li><a
href="https://github.com/meltano/meltano/commit/3683cf61e5329e0d654e52665cc68b3120c41a2d"><code>3683cf6</code></a>
chore: pre-commit autoupdate (<a
href="https://redirect.github.com/meltano/meltano/issues/9640">#9640</a>)</li>
<li><a
href="https://github.com/meltano/meltano/commit/bed6b8e8383e0f530a8a2df343a906cb87384ff4"><code>bed6b8e</code></a>
chore(deps): Bump allowed <code>check-jsonschema</code> (<a
href="https://redirect.github.com/meltano/meltano/issues/9639">#9639</a>)</li>
<li><a
href="https://github.com/meltano/meltano/commit/b8d989ff8d64fee84857f6da6db61181b1e7b1dc"><code>b8d989f</code></a>
chore(deps): Bump js-yaml from 3.14.1 to 3.14.2 in /docs (<a
href="https://redirect.github.com/meltano/meltano/issues/9638">#9638</a>)</li>
<li><a
href="https://github.com/meltano/meltano/commit/2c3ea0ec5427571b64d6e1efa1aabcf88a390da0"><code>2c3ea0e</code></a>
fix(deps): Bump <code>fasteners</code> to 0.20 (<a
href="https://redirect.github.com/meltano/meltano/issues/9637">#9637</a>)</li>
<li><a
href="https://github.com/meltano/meltano/commit/4f41e5d452549fe8f33b0f75dbe22333500ec423"><code>4f41e5d</code></a>
chore(deps-dev): Remove upper limit on <code>boto3-stubs</code> (<a
href="https://redirect.github.com/meltano/meltano/issues/9636">#9636</a>)</li>
<li>Additional commits viewable in <a
href="https://github.com/meltano/meltano/compare/v4.0.4...v4.0.6">compare
view</a></li>
</ul>
</details>
<br />


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.github/workflows/constraints.txt

@@ -1,3 +1,3 @@
-meltano==4.0.4
+meltano==4.0.6
 tox==4.32.0
 tox-uv==1.29.0