chore(deps): update dependency testcontainers.redis to 4.8.1 (#3479)

Co-authored-by: Renovate Bot <renovate@whitesourcesoftware.com>

Author: thomhurst

Directory.Packages.props

@@ -77,7 +77,7 @@
     <PackageVersion Include="System.Threading.Tasks.Extensions" Version="4.6.3" />
     <PackageVersion Include="Testcontainers.Kafka" Version="4.8.1" />
     <PackageVersion Include="Testcontainers.PostgreSql" Version="4.8.0" />
-    <PackageVersion Include="Testcontainers.Redis" Version="4.8.0" />
+    <PackageVersion Include="Testcontainers.Redis" Version="4.8.1" />
     <PackageVersion Include="trxparser" Version="0.5.0" />
     <PackageVersion Include="Verify" Version="31.0.4" />
     <PackageVersion Include="Verify.NUnit" Version="31.0.4" />