chore(deps): update dependency testcontainers.redis to 4.15.0

Author: renovate-bot

Directory.Packages.props

@@ -112,7 +112,7 @@
     <PackageVersion Include="System.Threading.Tasks.Extensions" Version="4.6.3" />
     <PackageVersion Include="Testcontainers.Kafka" Version="4.14.0" />
     <PackageVersion Include="Testcontainers.PostgreSql" Version="4.15.0" />
-    <PackageVersion Include="Testcontainers.Redis" Version="4.14.0" />
+    <PackageVersion Include="Testcontainers.Redis" Version="4.15.0" />
     <PackageVersion Include="trxparser" Version="0.5.0" />
     <PackageVersion Include="TUnit.Assertions.FSharp" Version="1.66.16" />
     <PackageVersion Include="Verify" Version="32.0.0" />