Bump core from 9a4463b to f4d4402 (#2392)

Bumps [core](https://github.com/microsoft/typespec) from `9a4463b` to
`f4d4402`.
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/microsoft/typespec/commit/f4d4402c79b2335307d8ff56924549c02ee87883"><code>f4d4402</code></a>
Fix: Missed allowing reserved keyword when printing enum members (<a
href="https://redirect.github.com/microsoft/typespec/issues/6451">#6451</a>)</li>
<li><a
href="https://github.com/microsoft/typespec/commit/e83e3422e2a257c7bb4198ff6c0c1b59b825b38b"><code>e83e342</code></a>
[python] replace some deprecated API (<a
href="https://redirect.github.com/microsoft/typespec/issues/6431">#6431</a>)</li>
<li><a
href="https://github.com/microsoft/typespec/commit/1a155aff53f792c7792a09f9d37e49c5c0dbf0b9"><code>1a155af</code></a>
expose InputModelType and options to set UpdateCodeModel callback (<a
href="https://redirect.github.com/microsoft/typespec/issues/6314">#6314</a>)</li>
<li><a
href="https://github.com/microsoft/typespec/commit/e8e6f3627d5b982ae8db7c6717e0a50b473466cf"><code>e8e6f36</code></a>
Use github action for changes comment (<a
href="https://redirect.github.com/microsoft/typespec/issues/6287">#6287</a>)</li>
<li>See full diff in <a
href="https://github.com/microsoft/typespec/compare/9a4463b25a89de874c9771318945cefbc2734bf4...f4d4402c79b2335307d8ff56924549c02ee87883">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>
Co-authored-by: Timothee Guerin <[email protected]>

Author: dependabot[bot]

.prettierignore

@@ -79,6 +79,3 @@ core/packages/http-client-python/
 
 .gitattributes
 CODEOWNERS
-
-# Temp only remove when this pr is merged https://github.com/microsoft/typespec/pull/6451
-packages/typespec-client-generator-core/lib/decorators.tsp