Bump veewee/xml requirement, extend build matrix

.github/workflows/tests.yaml

@@ -8,8 +8,9 @@ jobs:
             matrix:
                 operating-system: [ubuntu-latest]
                 php-versions: ['8.1', '8.2', '8.3']
+                dependency-preference: ['current', 'lowest', 'stable']
             fail-fast: false
-        name: PHP ${{ matrix.php-versions }} @ ${{ matrix.operating-system }}
+        name: PHP ${{ matrix.php-versions }} ${{ matrix.dependency-preference }} deps @ ${{ matrix.operating-system }}
         steps:
             - name: Checkout
               uses: actions/checkout@master
@@ -20,6 +21,6 @@ jobs:
                   tools: 'composer:v2'
                   extensions: pcov, mbstring, posix, dom, soap
             - name: Install dependencies
-              run: composer update --prefer-dist --no-progress --no-suggest
+              run: composer update --prefer-dist --no-progress --no-suggest ${{ matrix.dependency-preference == 'lowest' && '--prefer-lowest' || '' }} ${{ matrix.dependency-preference == 'stable' && '--prefer-stable' || '' }}
             - name: Run the tests
               run: ./vendor/bin/phpunit

composer.json

@@ -19,16 +19,18 @@
         "php-soap/engine": "^2.8",
         "php-soap/wsdl": "^1.4",
         "php-soap/xml": "^1.6.0",
-        "veewee/xml": "^2.6 || ^3.0",
+        "veewee/xml": "^3.0",
         "azjezz/psl": "^2.4",
-        "symfony/console": "^5.4 || ^6.0 || ^7.0"
+        "symfony/console": "^5.4 || ^6.0 || ^7.0",
+        "webmozart/assert": "^1.11"
     },
     "require-dev": {
         "symfony/var-dumper": "^6.1",
         "php-soap/engine-integration-tests": "^1.5.0",
         "psalm/plugin-symfony": "^5.0",
         "php-standard-library/psalm-plugin": "^2.2",
-        "vimeo/psalm": "^5.6"
+        "vimeo/psalm": "^5.6",
+        "phpunit/phpunit": "^10.0"
     },
     "license": "MIT",
     "authors": [