Update deps

Author: rybakit

.gitignore

@@ -2,3 +2,4 @@
 /.php_cs
 /composer.lock
 /phpunit.xml
+.phpunit.result.cache

composer.json

@@ -11,11 +11,11 @@
     ],
     "require": {
         "php": "^7.1",
-        "tarantool/queue": "^0.7.0"
+        "tarantool/queue": "^0.8.0"
     },
     "require-dev": {
-        "friendsofphp/php-cs-fixer": "^2.13",
-        "phpunit/phpunit": "^7.1"
+        "friendsofphp/php-cs-fixer": "^2.14",
+        "phpunit/phpunit": "^7.1|^8.0"
     },
     "autoload": {
         "psr-4": {