fix dependecy to paypal-client v2.0.16 #1267

Job	Run time
styles (8.0)	48s
install_shop_with_module (7.4)	1m 27s
install_shop_with_module (8.0)	1m 17s
install_shop_with_module (8.1)	1m 14s
unit_tests (7.4)	1m 9s
unit_tests (8.0)	1m 2s
codeception_tests (7.4, oe_moduletemplate)	22m 48s
unit_tests (8.1)	1m 4s
codeception_tests (8.0, oe_moduletemplate)	23m 13s
codeception_tests (8.1, oe_moduletemplate)	23m 30s
sonarcloud	19s
	1h 17m 51s

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