Drop PHP <7.4 support

Author: JaZo

.scrutinizer.yml

@@ -20,7 +20,7 @@ checks:
 tools:
   external_code_coverage:
     timeout: 600
-    runs: 4
+    runs: 2
 
 build:
   nodes:

.travis.yml

@@ -1,8 +1,6 @@
 language: php
 
 php:
-  - 7.2
-  - 7.3
   - 7.4
   - 8.0
 
@@ -13,7 +11,7 @@ cache:
 
 matrix:
   include:
-    - php: 7.2
+    - php: 7.4
       env: 'COMPOSER_FLAGS="--prefer-stable --prefer-lowest"'
 
 before_script:

CHANGELOG.md

@@ -13,6 +13,9 @@ Updates should follow the [Keep a CHANGELOG](http://keepachangelog.com/) princip
 - The `ResponseBuilder` now requires PSR-17 factories instead of a PHP-HTTP factory, to align it with the `Client`. This is only a breaking change in the rare case where you provide your own factory to the `ResponseBuilder`.
 - Removed `domainAliases` from constructor arguments. Please use `setDomainAliases()` on the instance instead.
 
+### Removed
+- Dropped PHP <7.4 support.
+
 ## [2.3.2] - 2021-08-30
 
 ### Fixed

composer.json

@@ -22,7 +22,7 @@
         }
     ],
     "require": {
-        "php": "^7.2|^8.0",
+        "php": "^7.4|^8.0",
         "danielstjules/stringy": "^3.1",
         "php-http/discovery": "^1.4",
         "php-http/mock-client": "^1.5",
@@ -32,7 +32,7 @@
     "require-dev": {
         "friendsofphp/php-cs-fixer": "^3.0",
         "guzzlehttp/guzzle": "^7.3",
-        "phpunit/phpunit": "^8.0|^9.0"
+        "phpunit/phpunit": "^9.0"
     },
     "provide": {
         "php-http/async-client-implementation": "1.0",