update dependencies

Author: Artem Stepin

.github/workflows/ci.yml

@@ -43,7 +43,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        php-versions: ['7.4', '8.0']
+        php-versions: ['7.4', '8.1']
         composer-args: ['--prefer-stable', '--prefer-lowest', '']
         composer-command: ['install', 'update']
         exclude:

composer.json

@@ -33,7 +33,7 @@
     }
   },
   "require": {
-    "php": "^7.4 || ^8.0",
+    "php": "^7.4 || ^8.1",
     "ext-json": "*",
     "psr/http-message": "^1.0",
     "psr/http-client": "^1.0",