Merge pull request #314 from apache/version_bump_3.5.1

fix version in CMakeLists.txt
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 8a0fb16..cf5d867 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -17,7 +17,7 @@
 
 cmake_minimum_required(VERSION 3.16.0)
 project(DataSketches
-        VERSION 3.5.0
+        VERSION 3.5.1
         LANGUAGES CXX)
 
 include(GNUInstallDirs)