Upgrade Esprima to version 2.0.4 (#1015)

Jint/Jint.csproj

@@ -8,7 +8,7 @@
     <IsPackable>true</IsPackable>
   </PropertyGroup>
   <ItemGroup>
-    <PackageReference Include="Esprima" Version="2.0.3" />
+    <PackageReference Include="Esprima" Version="2.0.4" />
     <PackageReference Include="IsExternalInit" Version="1.0.1" PrivateAssets="all" />
     <PackageReference Include="Nullable" Version="1.3.0" PrivateAssets="all" />
   </ItemGroup>