Update composer.json

Author: rennokki

composer.json

@@ -20,7 +20,7 @@
         }
     ],
     "require": {
-        "renoki-co/php-k8s": "^3.5.1"
+        "renoki-co/php-k8s": "^3.6"
     },
     "autoload": {
         "psr-4": {
@@ -37,8 +37,9 @@
     },
     "require-dev": {
         "mockery/mockery": "^1.5",
-        "orchestra/testbench": "^7.0",
-        "phpunit/phpunit": "^9.0"
+        "orchestra/testbench": "^6.28|^7.0",
+        "orchestra/testbench-core": "^6.28|^7.0",
+        "phpunit/phpunit": "^9.5.13"
     },
     "config": {
         "sort-packages": true