Bump PolySharp from 1.14.1 to 1.15.0

Bumps [PolySharp](https://github.com/Sergio0694/PolySharp) from 1.14.1 to 1.15.0.
- [Release notes](https://github.com/Sergio0694/PolySharp/releases)
- [Commits](Sergio0694/PolySharp@1.14.1...1.15.0)

---
updated-dependencies:
- dependency-name: PolySharp
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

Directory.Build.props

@@ -53,7 +53,7 @@
 	</ItemGroup>
 	<ItemGroup Condition=" '$(TargetFramework)' == 'net48' ">
 		<PackageReference Include="Microsoft.Bcl.HashCode" Version="6.0.0" />
-		<PackageReference Include="PolySharp" Version="1.14.1">
+		<PackageReference Include="PolySharp" Version="1.15.0">
 			<PrivateAssets>all</PrivateAssets>
 			<IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
 		</PackageReference>