Update PHP.ini settings and Dockerfile preload path

The opcache JIT mode has been changed to 'function' in the PHP.ini file for improved OpCode caching. Additionally, the preload path has been corrected in the Dockerfile, pointing now to '/app/docker/preload.php'. This enhances operational efficiency when executing CLI-based PHP scripts.

docker/php.ini

@@ -18,10 +18,10 @@ opcache.enable_cli = 1
 opcache.interned_strings_buffer = 32
 opcache.max_accelerated_files = 10000
 opcache.fast_shutdown = 1
-opcache.memory_consumption = 100
+opcache.memory_consumption = 200
 opcache.save_comments = 1
-opcache.jit_buffer_size=100M
-opcache.jit=function
+opcache.jit_buffer_size=200M
+opcache.jit=tracing
 
 ; Experimantal for really quick script start.
 ; Save opcache data as files on disk inside the Docker image