composer changes patch 2 (#598)

* Update composer.json

* Update composer.lock

Author: RussH

composer.json

@@ -2,12 +2,12 @@
     "name": "opencats/opencats",
     "require-dev": {
         "behat/behat": "~3.0.4",
-        "phpunit/phpunit": "^7",
-        "behat/mink": "^1.7",
+        "phpunit/phpunit": "^7.5.7",
+        "behat/mink": "^1.7.1",
         "behat/mink-extension": "dev-master",
-        "behat/mink-goutte-driver": "^1.2",
-        "behat/mink-selenium2-driver": "^1.3",
-        "codacy/coverage": "^1.4"
+        "behat/mink-goutte-driver": "^1.2.1",
+        "behat/mink-selenium2-driver": "^1.3.1",
+        "codacy/coverage": "^1.4.2"
     },
     "autoload": {
         "psr-4": {