Bump core from eb24510 to 60d87bc (#1255)

Bumps [core](https://github.com/microsoft/typespec) from `eb24510` to
`60d87bc`.
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/microsoft/typespec/commit/60d87bc77014a6756b255f3e81f931ea8b25e80f"><code>60d87bc</code></a>
ignore eng emitters for pr tools pipeline (<a
href="https://redirect.github.com/microsoft/typespec/issues/4035">#4035</a>)</li>
<li><a
href="https://github.com/microsoft/typespec/commit/6253c6f193d3d9ba3e0d5bf2e074d15212ab2dad"><code>6253c6f</code></a>
Update so coverage is generated (<a
href="https://redirect.github.com/microsoft/typespec/issues/4027">#4027</a>)</li>
<li><a
href="https://github.com/microsoft/typespec/commit/868891845fdd7ca497fcbdad5a1353a3aa4da32a"><code>8688918</code></a>
Analyze change ts (<a
href="https://redirect.github.com/microsoft/typespec/issues/3415">#3415</a>)</li>
<li>See full diff in <a
href="https://github.com/microsoft/typespec/compare/eb245109c05e98e10fdd75c48040d33c432a6a98...60d87bc77014a6756b255f3e81f931ea8b25e80f">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]

core

@@ -1,4 +1,5 @@
 {
   "extends": "./core/tsconfig.base.json",
-  "include": ["./eng", "./core/eng"]
+  "include": ["./eng", "./core/eng"],
+  "exclude": ["./core/eng/vitest.config.ts"]
 }