Bump core from 2663684 to 2ebacf5 (Azure#1145)

Bumps [core](https://github.com/microsoft/typespec) from `2663684` to
`2ebacf5`.
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/microsoft/typespec/commit/2ebacf5ff529f184c9d25467e6144bec5ceead1b"><code>2ebacf5</code></a>
Organize and add test and documentation for printIdentifier helper (<a
href="https://github.com/microsoft/typespec/issues/3792">#3792</a>)</li>
<li><a
href="https://github.com/microsoft/typespec/commit/6b793340350b43a5dfa28412235a3a30ba319e68"><code>6b79334</code></a>
use typeprovider csharptype creation (<a
href="https://github.com/microsoft/typespec/issues/3799">#3799</a>)</li>
<li><a
href="https://github.com/microsoft/typespec/commit/311d99f9fa8fa8f702e9dbc1e0df39223ff83dad"><code>311d99f</code></a>
export more api (<a
href="https://github.com/microsoft/typespec/issues/3723">#3723</a>)</li>
<li><a
href="https://github.com/microsoft/typespec/commit/76bbb4041372f9183be44cd9268d4f4a3c0b34eb"><code>76bbb40</code></a>
Fix the issue in writing serialized name and generating property names
(<a
href="https://github.com/microsoft/typespec/issues/3755">#3755</a>)</li>
<li><a
href="https://github.com/microsoft/typespec/commit/181dd8aaf34bcea2b502e47e40ccd0e22eb124e3"><code>181dd8a</code></a>
Updates tsp-openapi3 to emit main.tsp even when formatter fails (<a
href="https://github.com/microsoft/typespec/issues/3794">#3794</a>)</li>
<li><a
href="https://github.com/microsoft/typespec/commit/532e6ed4b133a6180bedc3ae1a01b4f898a5e993"><code>532e6ed</code></a>
Properly generate readonly prop declarations (<a
href="https://github.com/microsoft/typespec/issues/3685">#3685</a>)</li>
<li><a
href="https://github.com/microsoft/typespec/commit/c2043a4da8773850cafcec395b5024bd744578df"><code>c2043a4</code></a>
Add docs on identifiers (<a
href="https://github.com/microsoft/typespec/issues/3789">#3789</a>)</li>
<li><a
href="https://github.com/microsoft/typespec/commit/b2c03c5b5998e9e2d92bbc6c4cdc3ef1cd43f301"><code>b2c03c5</code></a>
Fix upload of playground package bundle (<a
href="https://github.com/microsoft/typespec/issues/3790">#3790</a>)</li>
<li><a
href="https://github.com/microsoft/typespec/commit/9c021559c768824ac1bf967a2c710fab60d235ac"><code>9c02155</code></a>
Conversions between parameters, properties and fields (<a
href="https://github.com/microsoft/typespec/issues/3754">#3754</a>)</li>
<li><a
href="https://github.com/microsoft/typespec/commit/f5a9764a62d16312982c9024630b4d5a966c723e"><code>f5a9764</code></a>
Refactor <code>MethodProvider</code> (<a
href="https://github.com/microsoft/typespec/issues/3756">#3756</a>)</li>
<li>Additional commits viewable in <a
href="https://github.com/microsoft/typespec/compare/26636840cdc89e71f707f12798bfb491a7460ad9...2ebacf5ff529f184c9d25467e6144bec5ceead1b">compare
view</a></li>
</ul>
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