Use Node 12.20.1 in rebuild-wekan.sh

Thanks to xet7 !

rebuild-wekan.sh

@@ -28,7 +28,7 @@ do
 			#curl -0 -L https://npmjs.org/install.sh | sudo sh
 			#sudo chown -R $(id -u):$(id -g) $HOME/.npm
 			sudo npm -g install n
-			sudo n 12.20.0
+			sudo n 12.20.1
 			#curl -sL https://deb.nodesource.com/setup_8.x | sudo -E bash -
 			#sudo apt-get install -y nodejs
 		elif [[ "$OSTYPE" == "darwin"* ]]; then