Simplify the matrix by using composer options and test nightly

Author: williamdes

.github/workflows/tests.yml

@@ -15,9 +15,13 @@ jobs:
       matrix:
         php: [7.4, 8.0, 8.1, 8.2, 8.3, 8.4]
         experimental: [false]
+        composer-options: ['']
         include:
           - php: 8.2
             analysis: true
+          - php: nightly
+            experimental: true
+            composer-options: '--ignore-platform-req=php+'
 
     steps:
       - name: Checkout
@@ -30,12 +34,7 @@ jobs:
           coverage: xdebug
 
       - name: Install dependencies with Composer
-        if: matrix.php < '8.4'
-        run: composer update --prefer-dist --no-progress --no-interaction --ansi
-
-      - name: Install dependencies with Composer
-        if: matrix.php >= '8.4'
-        run: composer update --prefer-dist --no-progress --no-interaction --ansi --ignore-platform-reqs
+        run: composer update --prefer-dist --no-progress --no-interaction --ansi ${{ matrix.composer-options }}
 
       - name: Coding standards
         if: matrix.analysis