Bump ServiceStack.Text from 8.8.0 to 8.9.0

---
updated-dependencies:
- dependency-name: ServiceStack.Text
  dependency-version: 8.9.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

src/ZiggyCreatures.FusionCache.Serialization.ServiceStackJson/ZiggyCreatures.FusionCache.Serialization.ServiceStackJson.csproj

@@ -24,7 +24,7 @@
 	</ItemGroup>
 
 	<ItemGroup>
-		<PackageReference Include="ServiceStack.Text" Version="8.8.0" />
+		<PackageReference Include="ServiceStack.Text" Version="8.9.0" />
 	</ItemGroup>
 
 </Project>