Drop support for php 8.0 (#4)

Author: akondas

.github/workflows/build.yml

@@ -8,7 +8,6 @@ jobs:
     strategy:
       matrix:
         php-version:
-          - "8.0"
           - "8.1"
           - "8.2"
 
@@ -23,19 +22,8 @@ jobs:
         php-version: "${{ matrix.php-version }}"
         ini-values: memory_limit=-1
 
-    - name: Get Composer Cache Directory
-      id: composer-cache
-      run: |
-        echo "::set-output name=dir::$(composer config cache-files-dir)"
-    - uses: actions/cache@v2
-      with:
-        path: ${{ steps.composer-cache.outputs.dir }}
-        key: ${{ runner.os }}-${{ matrix.php-version }}-composer-${{ hashFiles('**/composer.lock') }}
-        restore-keys: |
-          ${{ runner.os }}-${{ matrix.php-version }}-composer-
-
-    - name: Install dependencies
-      run: composer install
+    - name: "Install composer dependencies"
+      uses: "ramsey/composer-install@v2"
 
     - name: Run test suite
       run: PHP_CS_FIXER_IGNORE_ENV=1 composer build

README.md

@@ -1,6 +1,6 @@
 # ChaosMonkey 🐒 for PHP
 
-[![Minimum PHP Version](https://img.shields.io/badge/php-%3E%3D%208.0-8892BF.svg)](https://php.net/)
+[![Minimum PHP Version](https://img.shields.io/badge/php-%3E%3D%208.1-8892BF.svg)](https://php.net/)
 [![build](https://github.com/chaos-php/chaos-monkey/actions/workflows/build.yml/badge.svg)](https://github.com/chaos-php/chaos-monkey/actions/workflows/build.yml)
 [![Latest Stable Version](https://poser.pugx.org/chaos-php/chaos-monkey/v/stable?format=flat)](https://packagist.org/packages/chaos-php/chaos-monkey)
 ![GitHub](https://img.shields.io/github/license/chaos-php/chaos-monkey)

composer.json

@@ -17,8 +17,8 @@
         }
     ],
     "require": {
-        "php": "^8.0",
-        "akondas/php-runtime": "^0.1.0"
+        "php": "^8.1",
+        "akondas/php-runtime": "^1.1"
     },
     "require-dev": {
         "friendsofphp/php-cs-fixer": "^3.27",
@@ -39,7 +39,7 @@
     },
     "config": {
         "platform": {
-            "php": "8.0"
+            "php": "8.1"
         }
     },
     "scripts": {