Added "geocoder-php/common-http" dependency to composer.json in Yandex provider (geocoder-php#788)

Author: roro15

src/Provider/Yandex/composer.json

@@ -13,11 +13,11 @@
  ],
  "require": {
  "php": "^7.0",
- "willdurand/geocoder": "^4.0"
+ "willdurand/geocoder": "^4.0",
+ "geocoder-php/common-http": "^4.0"
  },
  "require-dev": {
  "phpunit/phpunit": "6.3.*",
- "geocoder-php/common-http": "^4.0",
  "geocoder-php/provider-integration-tests": "^1.0",
  "php-http/message": "^1.0",
  "php-http/curl-client": "^1.7",