Drop support for PHP 7.1 and older

.github/workflows/tests.yml

@@ -15,7 +15,7 @@ jobs:
     runs-on: ubuntu-20.04
     strategy:
       matrix:
-        php: [ '5.4', '5.5', '5.6', '7.0', '7.1', '7.2', '7.3', '7.4', '8.0' ]
+        php: [ '7.2', '7.3', '7.4', '8.0' ]
         symfony_deprecations_helper: [ '' ]
         include:
           - php: 8.1
@@ -40,11 +40,6 @@ jobs:
           # PHP 7.1 development web server segfaults if timezone not set.
           ini-values: date.timezone=Europe/Paris, error_reporting=-1, display_errors=On
 
-      - name: Configure for PHP >= 7.1
-        if: "${{ matrix.php >= '7.1' && matrix.symfony_version == '' }}"
-        run: |
-          composer require --no-update --dev symfony/error-handler "^4.4 || ^5.0"
-
       - name: Install dependencies
         run: |
           composer update --no-interaction --prefer-dist

composer.json

@@ -15,13 +15,14 @@
     ],
 
     "require": {
-        "php":                           ">=5.4",
+        "php":                           ">=7.2",
         "behat/mink-browserkit-driver":  "~1.2@dev",
         "fabpot/goutte":                 "~1.0.4|~2.0|~3.1"
     },
 
     "require-dev": {
-        "mink/driver-testsuite": "dev-master"
+        "mink/driver-testsuite": "dev-master",
+        "symfony/error-handler": "^4.4 || ^5.0"
     },
 
     "autoload": {