Run tests on PHP 8.4 and update test environment

Author: PaulRotmann

.github/workflows/ci.yml

@@ -7,10 +7,11 @@ on:
 jobs:
   PHPUnit:
     name: PHPUnit (PHP ${{ matrix.php }})
-    runs-on: ubuntu-22.04
+    runs-on: ubuntu-24.04
     strategy:
       matrix:
         php:
+          - 8.4
           - 8.3
           - 8.2
           - 8.1
@@ -31,15 +32,22 @@ jobs:
           php-version: ${{ matrix.php }}
           coverage: xdebug
           ini-file: development
-      - run: composer install
-      - run: docker pull busybox:latest
-      - run: vendor/bin/phpunit --coverage-text --coverage-clover=clover.xml
-        if: ${{ matrix.php >= 7.3 }}
-      - run: vendor/bin/phpunit --coverage-text --coverage-clover=clover.xml -c phpunit.xml.legacy
-        if: ${{ matrix.php < 7.3 }}
-      - name: Check 100% code coverage
-        shell: php {0}
-        run: |
-          <?php
-          $metrics = simplexml_load_file('clover.xml')->project->metrics;
-          exit((int) $metrics['statements'] === (int) $metrics['coveredstatements'] ? 0 : 1);
+          - run: composer install
+                - name: Prepare Docker environment
+                  run: |
+                    docker pull busybox:latest
+                    docker info
+                    docker network ls
+                    # Create and remove a test network to ensure networking is ready
+                    docker network create test_network
+                    docker network rm test_network
+                - run: vendor/bin/phpunit --coverage-text --coverage-clover=clover.xml
+                  if: ${{ matrix.php >= 7.3 }}
+                - run: vendor/bin/phpunit --coverage-text --coverage-clover=clover.xml -c phpunit.xml.legacy
+                  if: ${{ matrix.php < 7.3 }}
+                - name: Check 100% code coverage
+                  shell: php {0}
+                  run: |
+                    <?php
+                    $metrics = simplexml_load_file('clover.xml')->project->metrics;
+                    exit((int) $metrics['statements'] === (int) $metrics['coveredstatements'] ? 0 : 1);