Merge branch 'update-dependencies' into 'master'

Resolve "Update dependencies"

Closes #2

See merge request !2

composer.json

@@ -7,7 +7,7 @@
     "require": {
         "php": ">=7.3.0",
         "league/flysystem": "^1.0",
-        "guzzlehttp/guzzle": "^6.3",
+        "guzzlehttp/guzzle": "^6.3||^7.0",
         "symfony/dependency-injection": "^4.2||^5.0",
         "symfony/config": "^4.2||^5.0",
         "symfony/http-kernel": "^4.2||^5.0"