Bump StackExchange.Redis from 2.1.58 to 2.6.104

Bumps [StackExchange.Redis](https://github.com/StackExchange/StackExchange.Redis) from 2.1.58 to 2.6.104.
- [Release notes](https://github.com/StackExchange/StackExchange.Redis/releases)
- [Changelog](https://github.com/StackExchange/StackExchange.Redis/blob/main/docs/ReleaseNotes.md)
- [Commits](StackExchange/StackExchange.Redis@2.1.58...2.6.104)

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

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

src/Directory.Packages.props

@@ -40,7 +40,7 @@
     <PackageVersion Include="MySql.Data" Version="6.10.7" />
     <PackageVersion Include="Pipelines.Sockets.Unofficial" Version="2.1.16" />
     <PackageVersion Include="SharpCompress" Version="0.23.0" />
-    <PackageVersion Include="StackExchange.Redis" Version="2.1.58" />
+    <PackageVersion Include="StackExchange.Redis" Version="2.6.104" />
     <PackageVersion Include="System.Configuration.ConfigurationManager" Version="4.7.0" />
     <PackageVersion Include="System.Diagnostics.PerformanceCounter" Version="4.7.0" />
     <PackageVersion Include="System.Drawing.Common" Version="4.7.0" />