Bump Stripe.net from 42.4.0 to 42.8.0

Bumps [Stripe.net](https://github.com/stripe/stripe-dotnet) from 42.4.0 to 42.8.0.
- [Release notes](https://github.com/stripe/stripe-dotnet/releases)
- [Changelog](https://github.com/stripe/stripe-dotnet/blob/master/CHANGELOG.md)
- [Commits](stripe/stripe-dotnet@v42.4.0...v42.8.0)

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

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

src/Exceptionless.Core/Exceptionless.Core.csproj

@@ -30,7 +30,7 @@
     <PackageReference Include="Microsoft.Extensions.Configuration.Binder" Version="7.0.4" />
     <PackageReference Include="Microsoft.Extensions.Diagnostics.HealthChecks" Version="7.0.11" />
     <PackageReference Include="Microsoft.Extensions.Logging" Version="7.0.0" />
-    <PackageReference Include="Stripe.net" Version="42.4.0" />
+    <PackageReference Include="Stripe.net" Version="42.8.0" />
     <PackageReference Include="System.DirectoryServices" Version="7.0.1" />
     <PackageReference Include="UAParser" Version="3.1.47" />