fix build

Author: dsyme

lib/bootstrap/4.0/FSharp.SRGen.Build.Tasks.dll.config

@@ -16,7 +16,7 @@
       </dependentAssembly>
       <dependentAssembly>
         <assemblyIdentity name="FSharp.Core" publicKeyToken="b03f5f7f11d50a3a" culture="neutral" />
-        <bindingRedirect oldVersion="0.0.0.0-4.0.0.0" newVersion="4.3.0.0" />
+        <bindingRedirect oldVersion="0.0.0.0-4.3.1.0" newVersion="4.4.0.0" />
       </dependentAssembly>
     </assemblyBinding>
   </runtime>         

lib/bootstrap/4.0/FsLexYacc.Build.Tasks.dll.config

@@ -16,7 +16,7 @@
       </dependentAssembly>     
       <dependentAssembly>
         <assemblyIdentity name="FSharp.Core" publicKeyToken="b03f5f7f11d50a3a" culture="neutral" />
-        <bindingRedirect oldVersion="0.0.0.0-4.0.0.0" newVersion="4.3.0.0" />
+        <bindingRedirect oldVersion="0.0.0.0-4.3.1.0" newVersion="4.4.0.0" />
       </dependentAssembly>
     </assemblyBinding>
   </runtime>