Bump the all-dependencies group with 1 update (#220)

Bumps StackExchange.Redis from 2.11.8 to 2.12.1

---
updated-dependencies:
- dependency-name: StackExchange.Redis
  dependency-version: 2.12.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: all-dependencies
...

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Author: dependabot[bot]

Directory.Packages.props

@@ -86,7 +86,7 @@
     <PackageVersion Include="Serilog.Sinks.Seq" Version="9.0.0" />
     <PackageVersion Include="SharpGrip.FluentValidation.AutoValidation.Endpoints" Version="2.0.0" />
     <PackageVersion Include="SharpGrip.FluentValidation.AutoValidation.Mvc" Version="2.0.0" />
-    <PackageVersion Include="StackExchange.Redis" Version="2.11.8" />
+    <PackageVersion Include="StackExchange.Redis" Version="2.12.1" />
     <PackageVersion Include="Swashbuckle.AspNetCore" Version="10.1.5" />
     <PackageVersion Include="System.Linq.Async" Version="7.0.0" />
     <PackageVersion Include="Testcontainers" Version="4.11.0" />