Bump System.Text.Json to 8.0.5

Author: ajrice6713

src/Bandwidth.Standard/Bandwidth.Standard.csproj

@@ -20,6 +20,7 @@
     <PackageReference Include="RestSharp" Version="112.1.0" />
     <PackageReference Include="Polly" Version="7.2.3" />
     <PackageReference Include="System.ComponentModel.Annotations" Version="5.0.0" />
+    <PackageReference Include="System.Text.Json" Version="8.0.5" />
   </ItemGroup>
 
   <ItemGroup>