Fix PHP 7.0 CI checks

Author: SbWereWolf

.github/workflows/coverage.yml

@@ -32,9 +32,11 @@ jobs:
         run: composer test
 
       - name: Run tests with coverage
+        run: composer test-coverage
+
+      - name: Build Clover coverage report
         run: >-
-          php -d xdebug.mode=coverage
-          ./vendor/phpunit/phpunit/phpunit
+          php ./vendor/phpunit/phpunit/phpunit
           --configuration ./continuous-integration/phpunit/phpunit.xml
           --colors=always
           --coverage-clover coverage.xml

src/SbWereWolf/XmlNavigator/Extraction/PrettyPrintComposer.php

@@ -271,6 +271,9 @@ private static function firstKey(array $value)
         return null;
     }
 
+    /**
+     * @param array<mixed, mixed> $value
+     */
     private static function isList(array $value): bool
     {
         return $value === array_values($value);

src/SbWereWolf/XmlNavigator/Navigation/XmlElement.php

@@ -260,6 +260,9 @@ private static function isHierarchySequence($value): bool
         return true;
     }
 
+    /**
+     * @param array<mixed, mixed> $value
+     */
     private static function isList(array $value): bool
     {
         return $value === array_values($value);