cmake: set version to 3.0.1-dev0 (#2512)

Signed-off-by: Jared Van Bortel <jared@nomic.ai>

Author: cebtenzzre

gpt4all-chat/CMakeLists.txt

@@ -20,7 +20,7 @@ set(APP_VERSION_MAJOR 3)
 set(APP_VERSION_MINOR 0)
 set(APP_VERSION_PATCH 1)
 set(APP_VERSION_BASE "${APP_VERSION_MAJOR}.${APP_VERSION_MINOR}.${APP_VERSION_PATCH}")
-set(APP_VERSION "${APP_VERSION_BASE}")
+set(APP_VERSION "${APP_VERSION_BASE}-dev0")
 
 list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_LIST_DIR}/cmake/Modules")