Bump RxFree from 1.1.2 to 1.1.3

Bumps [RxFree](https://github.com/devlooped/RxFree) from 1.1.2 to 1.1.3.
- [Release notes](https://github.com/devlooped/RxFree/releases)
- [Changelog](https://github.com/devlooped/RxFree/blob/main/changelog.md)
- [Commits](devlooped/RxFree@v1.1.2...v1.1.3)

---
updated-dependencies:
- dependency-name: RxFree
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

src/WebSocketeer/WebSocketeer.csproj

@@ -12,7 +12,7 @@
     <PackageReference Include="NuGetizer" Version="1.2.4" PrivateAssets="all" />
     <PackageReference Include="Google.Protobuf" Version="3.29.3" />
     <PackageReference Include="Grpc.AspNetCore" Version="2.67.0" Pack="false" />
-    <PackageReference Include="RxFree" Version="1.1.2" PrivateAssets="all" />
+    <PackageReference Include="RxFree" Version="1.1.3" PrivateAssets="all" />
     <PackageReference Include="WebSocketChannel" Version="1.2.0" />
   </ItemGroup>