Bump core from c2b80f7 to 663d057 (#1471)

Bumps [core](https://github.com/microsoft/typespec) from `c2b80f7` to
`663d057`.
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/microsoft/typespec/commit/663d057c08c496d0fb3a858c8a528e9900c05bde"><code>663d057</code></a>
add test cases for Xml lib (<a
href="https://github.com/microsoft/typespec/issues/4306">#4306</a>)</li>
<li><a
href="https://github.com/microsoft/typespec/commit/a5546cafea259effdeeaf6180f6c6945c0769cd9"><code>a5546ca</code></a>
fix the response map issue in the emitter (<a
href="https://github.com/microsoft/typespec/issues/4307">#4307</a>)</li>
<li><a
href="https://github.com/microsoft/typespec/commit/bc1c599517b1e945a7410d19410f5b867a227590"><code>bc1c599</code></a>
Java sync to 16e2939c38dec8bb5322214d1a99f2c44284a2bf (<a
href="https://github.com/microsoft/typespec/issues/4293">#4293</a>)</li>
<li><a
href="https://github.com/microsoft/typespec/commit/c7ed92edbba806930e360ce84bc3b13305a2448e"><code>c7ed92e</code></a>
Java codegen: Run cadl ranch tests (<a
href="https://github.com/microsoft/typespec/issues/4303">#4303</a>)</li>
<li><a
href="https://github.com/microsoft/typespec/commit/11a01ce1dcc4c3c5ec9a91b956529b0043b10965"><code>11a01ce</code></a>
Read AllowReserved value (<a
href="https://github.com/microsoft/typespec/issues/4294">#4294</a>)</li>
<li>See full diff in <a
href="https://github.com/microsoft/typespec/compare/c2b80f79c75b9447f034624f97df24071ba91d00...663d057c08c496d0fb3a858c8a528e9900c05bde">compare
view</a></li>
</ul>
</details>
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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>