Merge branch '4.4' into 5.1

* 4.4:
  fix merge
  Remove branch-version (keep them for contracts only)
  [HttpClient] relax auth bearer format requirements
  [PHPUnitBridge] Silence errors from mkdir()
  [DependencyInjection] Preload classes with union types correctly.
  [Serializer] fix decoding float XML attributes starting with 0
  add missing dutch translations
  Support PHPUnit 8 and PHPUnit 9 in constraint compatibility trait
  Add expectDeprecation, expectNotice, expectWarning, and expectError to TestCase polyfill
  Add missing exporter function for PHPUnit 7
  [Validator] Add missing romanian translations
  [Cache] Use correct expiry in ChainAdapter
  do not translate null placeholders or titles

Encoder/XmlEncoder.php

@@ -301,7 +301,7 @@ private function parseXmlAttributes(\DOMNode $node, array $context = []): array
         $typeCastAttributes = (bool) ($context[self::TYPE_CAST_ATTRIBUTES] ?? $this->defaultContext[self::TYPE_CAST_ATTRIBUTES]);
 
         foreach ($node->attributes as $attr) {
-            if (!is_numeric($attr->nodeValue) || !$typeCastAttributes || (isset($attr->nodeValue[1]) && '0' === $attr->nodeValue[0])) {
+            if (!is_numeric($attr->nodeValue) || !$typeCastAttributes || (isset($attr->nodeValue[1]) && '0' === $attr->nodeValue[0] && '.' !== $attr->nodeValue[1])) {
                 $data['@'.$attr->nodeName] = $attr->nodeValue;
 
                 continue;

Tests/Encoder/XmlEncoderTest.php

@@ -276,10 +276,10 @@ public function testDecodeFloatAttribute()
     {
         $source = <<<XML
 <?xml version="1.0"?>
-<document index="-12.11">Name</document>
+<document index="12.11">Name</document>
 XML;
 
-        $this->assertSame(['@index' => -12.11, '#' => 'Name'], $this->encoder->decode($source, 'xml'));
+        $this->assertSame(['@index' => 12.11, '#' => 'Name'], $this->encoder->decode($source, 'xml'));
     }
 
     public function testDecodeNegativeFloatAttribute()
@@ -292,6 +292,16 @@ public function testDecodeNegativeFloatAttribute()
         $this->assertSame(['@index' => -12.11, '#' => 'Name'], $this->encoder->decode($source, 'xml'));
     }
 
+    public function testDecodeFloatAttributeWithZeroWholeNumber()
+    {
+        $source = <<<XML
+<?xml version="1.0"?>
+<document index="0.123">Name</document>
+XML;
+
+        $this->assertSame(['@index' => 0.123, '#' => 'Name'], $this->encoder->decode($source, 'xml'));
+    }
+
     public function testNoTypeCastAttribute()
     {
         $source = <<<XML

composer.json

@@ -58,8 +58,5 @@
             "/Tests/"
         ]
     },
-    "minimum-stability": "dev",
-    "extra": {
-        "branch-version": "5.1"
-    }
+    "minimum-stability": "dev"
 }