Update DockerFile to Codeigniter v4.0.3

Author: atsanna

Dockerfile

@@ -25,7 +25,7 @@ RUN chmod +x /startScript.sh
 
 RUN cd /var/www/html
 
-RUN composer create-project codeigniter4/appstarter codeigniter4 v4.0.2
+RUN composer create-project codeigniter4/appstarter codeigniter4 v4.0.3
 RUN chmod -R 0777 /var/www/html/codeigniter4/writable
 
 RUN mv /var/www/html/codeigniter4 /var/tmp/