Install correct php-coveralls package

Author: codeliner

.travis.yml

@@ -27,7 +27,7 @@ script:
   - if [[ $EXECUTE_CS_CHECK == 'true' ]]; then ./vendor/bin/docheader check examples/ src/ tests/; fi
 
 after_success:
-  - if [[ $TEST_COVERAGE == 'true' ]]; then php ./vendor/bin/coveralls -v; fi
+  - if [[ $TEST_COVERAGE == 'true' ]]; then php ./vendor/bin/php-coveralls -v; fi
 
 notifications:
   webhooks:

composer.json

@@ -22,7 +22,7 @@
   "require-dev": {
     "phpunit/phpunit": "^7.0",
     "prooph/php-cs-fixer-config": "^0.3",
-    "satooshi/php-coveralls": "^2.2",
+    "php-coveralls/php-coveralls": "^2.2",
     "malukenho/docheader": "^0.1.4"
   },
   "autoload": {