Bump TypedSignalR.Client.DevTools from 1.2.0 to 1.2.1

Bumps [TypedSignalR.Client.DevTools](https://github.com/nenoNaninu/TypedSignalR.Client.DevTools) from 1.2.0 to 1.2.1.
- [Release notes](https://github.com/nenoNaninu/TypedSignalR.Client.DevTools/releases)
- [Commits](nenoNaninu/TypedSignalR.Client.DevTools@v1.2.0...v1.2.1)

---
updated-dependencies:
- dependency-name: TypedSignalR.Client.DevTools
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

samples/SampleServer/SampleServer.csproj

@@ -6,7 +6,7 @@
     </PropertyGroup>
 
     <ItemGroup>
-      <PackageReference Include="TypedSignalR.Client.DevTools" Version="1.2.0" />
+      <PackageReference Include="TypedSignalR.Client.DevTools" Version="1.2.1" />
     </ItemGroup>
 
     <ItemGroup>