Bump core from 1f144e1 to 431b269 (#4426)

Bumps [core](https://github.com/microsoft/typespec) from `1f144e1` to
`431b269`.
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/microsoft/typespec/commit/431b2690aa89ae5444a1cf0339fa696855e4731f"><code>431b269</code></a>
Late bound member access (<a
href="https://redirect.github.com/microsoft/typespec/issues/10694">#10694</a>)</li>
<li><a
href="https://github.com/microsoft/typespec/commit/4b73c7d6d62cb06dc58bca192d496a72b57ec6c3"><code>4b73c7d</code></a>
fix(playground): hide tree view for single nested output file (<a
href="https://redirect.github.com/microsoft/typespec/issues/10697">#10697</a>)</li>
<li><a
href="https://github.com/microsoft/typespec/commit/6ca21ce7be5c3ede9b48fdf56db0f12e8b22f98f"><code>6ca21ce</code></a>
Fix spurious <code>circular-base-type</code> diagnostics after invalid
<code>model is</code> usage ...</li>
<li><a
href="https://github.com/microsoft/typespec/commit/e99bdfb44fef2e5b92946175880995ac0268974e"><code>e99bdfb</code></a>
Fix wrongly detected circular reference with alias and model properties
(<a
href="https://redirect.github.com/microsoft/typespec/issues/10687">#10687</a>)</li>
<li><a
href="https://github.com/microsoft/typespec/commit/4d9104ce6b891d236eec650736456d99c018170f"><code>4d9104c</code></a>
fix(openapi3): don't emit auth scheme models under components.schemas
(<a
href="https://redirect.github.com/microsoft/typespec/issues/10677">#10677</a>)</li>
<li><a
href="https://github.com/microsoft/typespec/commit/e237008f62304f7c40ad669a6b194d8dd4465a47"><code>e237008</code></a>
Feature: tspconfig project with entrypoint (<a
href="https://redirect.github.com/microsoft/typespec/issues/10548">#10548</a>)</li>
<li><a
href="https://github.com/microsoft/typespec/commit/936b079c5de55cddb156f3b43ba2c0bebdcb86cc"><code>936b079</code></a>
Prepare CollectionResultDefinition for DistributedTracingVisitor (<a
href="https://redirect.github.com/microsoft/typespec/issues/10573">#10573</a>)</li>
<li><a
href="https://github.com/microsoft/typespec/commit/7f8ead62aa973847e13feeba43cb1b23532d8b9c"><code>7f8ead6</code></a>
Transition to GitHub App auth, remove azuresdk-github-pat usage (<a
href="https://redirect.github.com/microsoft/typespec/issues/10594">#10594</a>)</li>
<li>See full diff in <a
href="https://github.com/microsoft/typespec/compare/1f144e1a053c710e9ed827b49099ddf8d204e6e9...431b2690aa89ae5444a1cf0339fa696855e4731f">compare
view</a></li>
</ul>
</details>
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