Bump core from 611667c to c329841 (#1288)

Bumps [core](https://github.com/microsoft/typespec) from `611667c` to
`c329841`.
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/microsoft/typespec/commit/c329841c133c639acdfab6d71114c73ac497bc5d"><code>c329841</code></a>
Add pre-visit APIs (<a
href="https://github.com/microsoft/typespec/issues/4067">#4067</a>)</li>
<li><a
href="https://github.com/microsoft/typespec/commit/3540e63dd065a1a3c8d48c21c1abdfa153196287"><code>3540e63</code></a>
Add ability to turn of xml docs (<a
href="https://github.com/microsoft/typespec/issues/4078">#4078</a>)</li>
<li>See full diff in <a
href="https://github.com/microsoft/typespec/compare/611667c535b6bd282682e5eb86204096f8ee7acb...c329841c133c639acdfab6d71114c73ac497bc5d">compare
view</a></li>
</ul>
</details>
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Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>