Bump core from 431b269 to 3311b24 (#4436)

Bumps [core](https://github.com/microsoft/typespec) from `431b269` to
`3311b24`.
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/microsoft/typespec/commit/3311b2400d5e90dbf58dd885520bb96353ee1ade"><code>3311b24</code></a>
[dotnet] Emit PropagateGet pattern to support JsonPatch.EnumerateArray
on CLR...</li>
<li><a
href="https://github.com/microsoft/typespec/commit/e49bd6d3b4f129ae3da20b2e9f4d03abfc5556d7"><code>e49bd6d</code></a>
Enable Application Insights instrumentation in csharp playground-server
(<a
href="https://redirect.github.com/microsoft/typespec/issues/10709">#10709</a>)</li>
<li><a
href="https://github.com/microsoft/typespec/commit/885e7b1f6cf8d1af679ff8c0f016174be78ee836"><code>885e7b1</code></a>
Enable <code>service/multiple-services</code> generation in
http-client-java e2e suite a...</li>
<li><a
href="https://github.com/microsoft/typespec/commit/ab75d7ea9595f66608bc48f6f13a0c31e7d60aa4"><code>ab75d7e</code></a>
Fix Submit-AzureSdkForNetPr.ps1 push auth for GitHub App installation
tokens ...</li>
<li><a
href="https://github.com/microsoft/typespec/commit/86c654a38c8d05046e9eeebec38971f3a05f7ee1"><code>86c654a</code></a>
Patch stale <code>@​typespec/openapi3</code> in target
emitter-package.json before tsp-clie...</li>
<li><a
href="https://github.com/microsoft/typespec/commit/6dbfb135ae4624bbb8b211e5e306068b3e8304e6"><code>6dbfb13</code></a>
[http-client-csharp] Fix duplicate anonymous enums from inline-union
operatio...</li>
<li><a
href="https://github.com/microsoft/typespec/commit/7ee584541102386be3710967083060189469f2aa"><code>7ee5845</code></a>
fix(http-client-csharp): treat nullable and non-nullable return types as
dist...</li>
<li>See full diff in <a
href="https://github.com/microsoft/typespec/compare/431b2690aa89ae5444a1cf0339fa696855e4731f...3311b2400d5e90dbf58dd885520bb96353ee1ade">compare
view</a></li>
</ul>
</details>
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