fix: src/ZenExtensions.CognitoOidc.Cli/ZenExtensions.CognitoOidc.Cli.…

…csproj to reduce vulnerabilities

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-DOTNET-SYSTEMTEXTJSON-8168848

src/ZenExtensions.CognitoOidc.Cli/ZenExtensions.CognitoOidc.Cli.csproj

@@ -26,7 +26,7 @@
 
   <ItemGroup>
     <PackageReference Include="Humanizer" Version="2.14.1" />
-    <PackageReference Include="Refit" Version="6.3.2" />
+    <PackageReference Include="Refit" Version="6.4.1" />
     <PackageReference Include="ZenExtensions.Spectre.Console" Version="1.4.0" />
   </ItemGroup>