Merge pull request #12 from kaushikindianic/composer-update-depenency

perf: composer update dependency

Author: joostfaassen

composer.json

@@ -21,11 +21,11 @@
         "issues": "https://github.com/linkorb/herald-client-php/issues"
     },
     "require": {
-        "guzzlehttp/guzzle": "^4.0|^5.0|^6.0"
+        "guzzlehttp/guzzle": "^4.0|^5.0|^6.0|^7.0"
     },
     "require-dev": {
-        "symfony/console": "^2.4|^3.0",
-        "symfony/dotenv": "^3.0"
+        "symfony/console": "^2.4|^3.0|^4.0|^5.0",
+        "symfony/dotenv": "^3.0|^4.0|^5.0"
     },
     "autoload": {
         "psr-4": {