Bump core from 32e45d4 to 4e1d30d (#543)

Bumps [core](https://github.com/microsoft/typespec) from `32e45d4` to
`4e1d30d`.
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/microsoft/typespec/commit/4e1d30ddce3abcfbc8e5c0bef777d16ed68eef1a"><code>4e1d30d</code></a>
Update inconsistent docs (<a
href="https://redirect.github.com/microsoft/typespec/issues/3072">#3072</a>)</li>
<li><a
href="https://github.com/microsoft/typespec/commit/ce9c567e5bfb441bb6415699a6b6fa797bc08f2e"><code>ce9c567</code></a>
Improve TM language for enums, unions and escaped identifiers (<a
href="https://redirect.github.com/microsoft/typespec/issues/3069">#3069</a>)</li>
<li>See full diff in <a
href="https://github.com/microsoft/typespec/compare/32e45d4da29133dd218d5abd319ee3ee040977ae...4e1d30ddce3abcfbc8e5c0bef777d16ed68eef1a">compare
view</a></li>
</ul>
</details>
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