BB-13880: PayPal Express Integration (1.5) (#17743)

- updated paypal/rest-api-sdk-php (v1.7.1 => 1.13.0)

Author: anyt

Diff for: composer.json

@@ -17,7 +17,7 @@
         "php": ">=7.0",
         "oro/commerce": "1.5.*",
         "psr/log": "1.0.*",
-        "paypal/rest-api-sdk-php": "1.7.1"
+        "paypal/rest-api-sdk-php": "1.13.*"
     },
     "repositories": {
         "oro": {