upgrade laravel 7 version (#41)

Co-authored-by: Munir Khakhi <munir@pandio.com>

Author: suh1986

.circleci/config.yml

@@ -19,14 +19,8 @@ workflows:
     version: 2
     build:
         jobs:
-            - php72-laravel58
-            - php72-laravel58-prefer-lowest
-            - php72-laravel60
-            - php72-laravel60-prefer-lowest
-            - php73-laravel58
-            - php73-laravel58-prefer-lowest
-            - php73-laravel60
-            - php73-laravel60-prefer-lowest
+            - php73-laravel80
+            - php74-laravel80
 
 jobs:
     php72-laravel58-prefer-lowest:
@@ -81,3 +75,15 @@ jobs:
         steps:
             - install_and_test:
                   laravel: 6.0.*
+    php73-laravel80:
+        docker:
+            - image: circleci/php:7.3
+        steps:
+            - install_and_test:
+                  laravel: 8.0.*
+    php74-laravel80:
+        docker:
+            - image: circleci/php:7.4
+        steps:
+            - install_and_test:
+                  laravel: 8.0.*

composer.json

@@ -10,10 +10,10 @@
         "laravel api"
     ],
     "require": {
-        "guzzlehttp/guzzle": "^6.3",
-        "php": ">=7.0.0",
-        "spatie/array-to-xml": "^2.8",
-        "adbario/php-dot-notation": "^2.2.0"
+        "guzzlehttp/guzzle": "^7.0",
+        "php": ">=7.2.5",
+        "spatie/array-to-xml": "~2.14.0",
+        "adbario/php-dot-notation": "^2.x.dev"
     },
     "minimum-stability": "stable",
     "prefer-stable": true,
@@ -38,7 +38,7 @@
         }
     },
     "require-dev": {
-        "phpunit/phpunit": "^7.0|^8.0",
-        "orchestra/testbench": "~3.6.0|~3.7.0|~3.8.0"
+        "phpunit/phpunit": "^7.0|^8.0|^8.5",
+        "orchestra/testbench": "~3.6.0|~3.7.0|~3.8.0|~5.0.0"
     }
 }