chore(deps): disallow thecodingmachine/safe v1 (#194)

Author: simPod

composer.json

@@ -34,7 +34,7 @@
         "psr/http-factory": "^1.0",
         "psr/http-message": "^1.0 || ^2.0",
         "psr/log": "^1 || ^2 || ^3",
-        "thecodingmachine/safe": "^1.0 || ^2.0"
+        "thecodingmachine/safe": "^2.0"
     },
     "require-dev": {
         "cdn77/coding-standard": "^7.0",