CI - workaround 'doc' task error caused by new choco 'graphviz' package.
CI - workaround 'doc' task error caused by new choco 'graphviz' package.

urho3d/Urho3D,PredatorMF/Urho3D,eugeneko/Urho3D,rokups/Urho3D,rokups/Urho3D,SuperWangKai/Urho3D,urho3d/Urho3D,rokups/Urho3D,henu/Urho3D,bacsmar/Urho3D,rokups/Urho3D,orefkov/Urho3D,SuperWangKai/Urho3D,rokups/Urho3D,urho3d/Urho3D,henu/Urho3D,henu/Urho3D,henu/Urho3D,PredatorMF/Urho3D,bacsmar/Urho3D,eugeneko/Urho3D,orefkov/Urho3D,henu/Urho3D,SuperWangKai/Urho3D,orefkov/Urho3D,PredatorMF/Urho3D,orefkov/Urho3D,SuperWangKai/Urho3D,SuperWangKai/Urho3D,rokups/Urho3D,bacsmar/Urho3D,bacsmar/Urho3D,PredatorMF/Urho3D,eugeneko/Urho3D,eugeneko/Urho3D,urho3d/Urho3D