remove support for Laravel 9

.github/workflows/continuous-integration.yml

@@ -8,14 +8,13 @@ on:
 
 jobs:
   check-static-code:
-    name: Check static code
+    name: Check static code (PHP ${{ matrix.php-version }})
 
     runs-on: ubuntu-latest
 
     strategy:
-      fail-fast: true
       matrix:
-        php-versions: [8.0, 8.1, 8.2, 8.3]
+        php-version: [ 8.1, 8.2, 8.3 ]
 
     steps:
       - name: Checkout
@@ -48,14 +47,13 @@ jobs:
         run: vendor/bin/phpstan analyse --error-format=checkstyle | cs2pr
 
   check-code-quality:
-    name: Check code quality
+    name: Check code quality (PHP ${{ matrix.php-version }})
 
     runs-on: ubuntu-latest
 
     strategy:
-      fail-fast: true
       matrix:
-        php-versions: [8.0, 8.1, 8.2, 8.3]
+        php-version: [ 8.1, 8.2, 8.3 ]
 
     steps:
       - name: Checkout
@@ -87,14 +85,13 @@ jobs:
         run: vendor/bin/rector --ansi --dry-run
 
   check-code-style:
-    name: Check code style
+    name: Check code style (PHP ${{ matrix.php-version }})
 
     runs-on: ubuntu-latest
 
     strategy:
-      fail-fast: true
       matrix:
-        php-versions: [8.0, 8.1, 8.2, 8.3]
+        php-version: [ 8.1, 8.2, 8.3 ]
 
     steps:
       - name: Checkout
@@ -119,14 +116,13 @@ jobs:
         run: vendor/bin/pint --format=checkstyle --test | cs2pr
 
   tests:
-    name: PHP tests
+    name: PHP tests (PHP ${{ matrix.php-version }})
 
     runs-on: ubuntu-latest
 
     strategy:
-      fail-fast: true
       matrix:
-        php-versions: [8.0, 8.1, 8.2, 8.3]
+        php-version: [ 8.1, 8.2, 8.3 ]
 
     steps:
       - name: Checkout

composer.json

@@ -18,9 +18,9 @@
         }
     ],
     "require": {
-        "php": "^8",
+        "php": "^8.1",
         "guzzlehttp/guzzle": "^7.7",
-        "laravel/framework": "^9.0.0 || ^10.0.0"
+        "laravel/framework": "^10.0.0"
     },
     "require-dev": {
         "laravel/pint": "^1.10",