* Build and Packaging Improvements
<details>
<summary>
<p>Bump .NET to 6.0.418</p>
</summary>
<ul>
<li>Update ThirdPartyNotices.txt for v7.2.18 (Internal 29173)</li>
<li>Update 'cgmanifest.json' for v7.2.18 release (Internal 29161)</li>
<li>Update .NET SDK to 6.0.418 (Internal 29141)</li>
<li>Back port 3 build changes to <code>apiscan.yml</code> (#21036)</li>
<li>Set the <code>ollForwardOnNoCandidateFx</code> in <code>runtimeconfig.json</code> to roll forward only on minor and patch versions (#20689)</li>
<li>Remove the <code>ref</code> folder before running compliance (#20373)</li>
<li>Fix the tab completion tests (#20867)</li>
</ul>
</details>
[7.2.18]: https://github.com/PowerShell/PowerShell/compare/v7.2.17...v7.2.18