update composer .json for laravel framework 8 (#43)

* update composer .json for laravel framework 8

* change in circleci config

* add php8 support

Author: ru90

.circleci/config.yml

@@ -19,68 +19,9 @@ workflows:
     version: 2
     build:
         jobs:
-            - php73-laravel80
             - php74-laravel80
 
 jobs:
-    php72-laravel58-prefer-lowest:
-        docker:
-            - image: circleci/php:7.2
-        steps:
-            - install_and_test:
-                  laravel: 5.8.*
-                  composer_flags: --prefer-lowest
-    php72-laravel58:
-        docker:
-            - image: circleci/php:7.2
-        steps:
-            - install_and_test:
-                  laravel: 5.8.*
-    php72-laravel60:
-        docker:
-            - image: circleci/php:7.2
-        steps:
-            - install_and_test:
-                  laravel: 6.0.*
-    php72-laravel60-prefer-lowest:
-        docker:
-            - image: circleci/php:7.2
-        steps:
-            - install_and_test:
-                  laravel: 6.0.*
-                  composer_flags: --prefer-lowest
-    php73-laravel58-prefer-lowest:
-        docker:
-            - image: circleci/php:7.3
-        steps:
-            - install_and_test:
-                  laravel: 5.8.*
-                  composer_flags: --prefer-lowest
-    php73-laravel58:
-        docker:
-            - image: circleci/php:7.3
-        steps:
-            - install_and_test:
-                  laravel: 5.8.*
-    php73-laravel60-prefer-lowest:
-        docker:
-            - image: circleci/php:7.3
-        steps:
-            - install_and_test:
-                  laravel: 6.0.*
-                  composer_flags: --prefer-lowest
-    php73-laravel60:
-        docker:
-            - image: circleci/php:7.3
-        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

composer.json

@@ -10,9 +10,9 @@
         "laravel api"
     ],
     "require": {
-        "guzzlehttp/guzzle": "^7.0",
-        "php": ">=7.2.5",
-        "spatie/array-to-xml": "~2.14.0",
+        "guzzlehttp/guzzle": "^7.0.1",
+        "php": "^7.4|^8.0",
+        "spatie/array-to-xml": "^2.16.0",
         "adbario/php-dot-notation": "^2.x.dev"
     },
     "minimum-stability": "stable",
@@ -38,7 +38,7 @@
         }
     },
     "require-dev": {
-        "phpunit/phpunit": "^7.0|^8.0|^8.5",
+        "phpunit/phpunit": "^8.5|9.0|^9.5",
         "orchestra/testbench": "~3.6.0|~3.7.0|~3.8.0|~5.0.0"
     }
 }