Update Tour Operator Plugin Banner & Icon Graphics on WordPress.org

Description:

We need to refresh the visual assets for the Tour Operator plugin on WordPress.org by updating the banner and icon graphics in the assets directory of the plugin’s SVN repository.

Requirements:

• Banner image dimensions: 1550 x 500px
• Icon image dimensions: 256 x 256px
• Include high-DPI (2x) versions for both banner and icons.
• Test the appearance after upload and account for CDN caching time.

Acceptance Criteria:

• New images adhere to WordPress.org standards.
• Updated visuals appear correctly on the plugin page.