By Pavel Polityuk and Jonathan Landay KYIV/MYKOLAIV, Ukraine (Reuters) -Russia told civilians on Tuesday to leave an area along the eastern bank of the Dnipro River in the Ukrainian province of Kherson, a major extension of an evacuation order that Kyiv says amounts to the forced depopulation of occupied territory. Russia had previously ordered civilians out of a pocket it controls on the west bank of the river, where Ukrainian forces have been advancing for weeks to capture the city of Kherson in what would be a strategic prize in the eight-month-long war. Russian-installed officials said on …