Bump the version to 1.4.0

CMakeLists.txt

@@ -42,7 +42,7 @@ set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/bin)
 set(OPEN62541_VER_MAJOR 1)
 set(OPEN62541_VER_MINOR 4)
 set(OPEN62541_VER_PATCH 0)
-set(OPEN62541_VER_LABEL "-rc2") # like "-rc1" or "-g4538abcd" or "-g4538abcd-dirty"
+set(OPEN62541_VER_LABEL "") # like "-rc1" or "-g4538abcd" or "-g4538abcd-dirty"
 set(OPEN62541_VER_COMMIT "unknown-commit")
 
 # Overwrite the version information based on git if available