Bump version.

Author: jcs090218

isearch-project.el

@@ -6,7 +6,7 @@
 ;; Author: Shen, Jen-Chieh <jcs090218@gmail.com>
 ;; Description: Incremental search through the whole project.
 ;; Keyword: convenience, search
-;; Version: 0.2.3
+;; Version: 0.2.4
 ;; Package-Requires: ((emacs "26.1") (f "0.20.0"))
 ;; URL: https://github.com/jcs-elpa/isearch-project