Review changes in OpenCart release (3.0.3.0)

[gizmecano]

Review changes that have appeared in a stable version of OpenCart (3.0.3.0) and create the correlated tasks for the language pack.

• update clone repository to version 3.0.3.0

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Major changes

• <admin\extension\advertise> #68
• <catalog\extension\advertise> #75

Minor changes

• <admin\extension\shipping> and <catalog\extension\shipping> #69
• <admin\extension\extension> #70

Other patches

• <admin\extension\extension> #71
• <admin\extension\module> #72
• <admin\extension\openbay> #73
• <admin\extension\payment> #74
• <catalog\extension\payment> #76