Bump PolySharp from 1.14.1 to 1.15.0

---
updated-dependencies:
- dependency-name: PolySharp
  dependency-version: 1.15.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
- dependency-name: PolySharp
  dependency-version: 1.15.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

src/Web/Web.csproj

@@ -11,7 +11,7 @@
 
   <ItemGroup>
     <PackageReference Include="NuGetizer" Version="1.2.1" PrivateAssets="all" />
-    <PackageReference Include="PolySharp" Version="1.14.1" PrivateAssets="all" />
+    <PackageReference Include="PolySharp" Version="1.15.0" PrivateAssets="all" />
     <PackageReference Include="Superpower" Version="3.0.0" />
     <PackageReference Include="Microsoft.Xml.SgmlReader" Version="1.8.30" />
   </ItemGroup>