Bump core from 04952e4 to 6a0458c (#1714)

Bumps [core](https://github.com/microsoft/typespec) from `04952e4` to
`6a0458c`.
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/microsoft/typespec/commit/6a0458c3fc363fcacd50e2f81dd899e40e962271"><code>6a0458c</code></a>
Bump send and express in /packages/http-client-csharp (<a
href="https://redirect.github.com/microsoft/typespec/issues/4435">#4435</a>)</li>
<li><a
href="https://github.com/microsoft/typespec/commit/93af3d31d0bdac74d89385b661a429392b5ac316"><code>93af3d3</code></a>
[http-client-python] fix for mypy (<a
href="https://redirect.github.com/microsoft/typespec/issues/4789">#4789</a>)</li>
<li><a
href="https://github.com/microsoft/typespec/commit/2d2959804c8767800f3bcf0eb593261402fad445"><code>2d29598</code></a>
http-client-java, unknown map to binary data (<a
href="https://redirect.github.com/microsoft/typespec/issues/4738">#4738</a>)</li>
<li><a
href="https://github.com/microsoft/typespec/commit/f47a2523f41106ed0c4dd86fb9b161455bb019e7"><code>f47a252</code></a>
Make splitter respond to touch (<a
href="https://redirect.github.com/microsoft/typespec/issues/4794">#4794</a>)</li>
<li><a
href="https://github.com/microsoft/typespec/commit/524fa9e72f9563633ca449cedab4dcfec1e7da82"><code>524fa9e</code></a>
Astro website migrate all components to astro components (<a
href="https://redirect.github.com/microsoft/typespec/issues/4710">#4710</a>)</li>
<li><a
href="https://github.com/microsoft/typespec/commit/8ba6830ea3b2a23ca41b1c7ef57e89d6234bf3d2"><code>8ba6830</code></a>
[<code>@​typespec/http-specs</code>] Added Spec Summary (<a
href="https://redirect.github.com/microsoft/typespec/issues/4768">#4768</a>)</li>
<li><a
href="https://github.com/microsoft/typespec/commit/7d0cbb55bb680f2768eaac190559f94f40e4d289"><code>7d0cbb5</code></a>
Use IEnumerable for list parameters in client methods (<a
href="https://redirect.github.com/microsoft/typespec/issues/4787">#4787</a>)</li>
<li><a
href="https://github.com/microsoft/typespec/commit/2d9d3a92ad959978f54a94f60db5ee65db374339"><code>2d9d3a9</code></a>
[http-client-csharp] Fix: remove duplicate 'Client' suffix in subclients
(<a
href="https://redirect.github.com/microsoft/typespec/issues/4791">#4791</a>)</li>
<li>See full diff in <a
href="https://github.com/microsoft/typespec/compare/04952e4cf742d5b8b15fe416dce0dcf5bf4bc9bc...6a0458c3fc363fcacd50e2f81dd899e40e962271">compare
view</a></li>
</ul>
</details>
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