Setting release string to 6.7.0

Author: akenmorris

CMakeLists.txt

@@ -6,7 +6,7 @@ cmake_minimum_required(VERSION 3.20)
 SET(SHAPEWORKS_MAJOR_VERSION 6 CACHE INTERNAL "Major version number" FORCE)
 SET(SHAPEWORKS_MINOR_VERSION 7 CACHE INTERNAL "Minor version number" FORCE)
 SET(SHAPEWORKS_PATCH_VERSION 0 CACHE INTERNAL "Patch version number" FORCE)
-SET(SHAPEWORKS_VERSION_STRING "6.7.0-dev")
+SET(SHAPEWORKS_VERSION_STRING "6.7.0")
 SET(SHAPEWORKS_VERSION "${SHAPEWORKS_MAJOR_VERSION}.${SHAPEWORKS_MINOR_VERSION}.${SHAPEWORKS_PATCH_VERSION}")
 
 # First, check that files were checked out properly using git-lfs