Bump version to 2.5.2
Bump version to 2.5.2

randomizedtesting/randomizedtesting,randomizedtesting/randomizedtesting,randomizedtesting/randomizedtesting,carrotsearch/randomizedtesting,randomizedtesting/randomizedtesting,carrotsearch/randomizedtesting,carrotsearch/randomizedtesting,carrotsearch/randomizedtesting,carrotsearch/randomizedtesting,randomizedtesting/randomizedtesting