disable notifications of all plugins in the dashboard

					<?php

/**
 * Dismiss admin notices for non-administrator users.
 *
 * This function checks the current user's capabilities and removes all admin notices
 * from the dashboard if the user is not an administrator.
 */
function wpgriffino_dismiss_admin_notices() {
    // Check if the current user does NOT have administrator capabilities.
    if ( ! current_user_can( 'administrator' ) ) {
        // Remove all actions hooked to the 'admin_notices' action.
        // This effectively hides all plugin notifications from non-admin users.
        remove_all_actions( 'admin_notices' );
    }
}

// Hook the wpgriffino_dismiss_admin_notices function to the 'admin_init' action.
// This ensures the function runs early in the WordPress admin lifecycle,
// allowing the removal of notices before they are displayed.
add_action( 'admin_init', 'wpgriffino_dismiss_admin_notices' );