[تم الحل] Cannot update WPML String Translation

Background of the issue:
I am trying to update the WPML String Translation plugin on my site الرابط المخفي. I know the plugin requires the 3.3.0 version.

Symptoms:
The WP backend does not have an option to update the WPML String Translation plugin.

Questions:
How can we update the WPML String Translation plugin?