Merge branch '3.4' into 4.4

* 3.4:
  updated VERSION for 3.4.40
  update CONTRIBUTORS for 3.4.40
  updated CHANGELOG for 3.4.40
  [WebProfilerBundle] changed label of peak memory usage in the time & memory panels (MB into MiB)
  add tests for the ConstraintViolationBuilder class
  Improve dirname usage
  [PhpUnitBridge] Use COMPOSER_BINARY env var if available
  [YAML] escape DEL(\x7f)
  fix compatibility with phpunit 9
  [Cache] skip APCu in chains when the backend is disabled
  [Form] apply automatically step=1 for datetime-local input

Resources/views/Collector/memory.html.twig

@@ -5,18 +5,18 @@
         {% set status_color = (collector.memory / 1024 / 1024) > 50 ? 'yellow' : '' %}
         {{ include('@WebProfiler/Icon/memory.svg') }}
         <span class="sf-toolbar-value">{{ '%.1f'|format(collector.memory / 1024 / 1024) }}</span>
-        <span class="sf-toolbar-label">MB</span>
+        <span class="sf-toolbar-label">MiB</span>
     {% endset %}
 
     {% set text %}
         <div class="sf-toolbar-info-piece">
             <b>Peak memory usage</b>
-            <span>{{ '%.1f'|format(collector.memory / 1024 / 1024) }} MB</span>
+            <span>{{ '%.1f'|format(collector.memory / 1024 / 1024) }} MiB</span>
         </div>
 
         <div class="sf-toolbar-info-piece">
             <b>PHP memory limit</b>
-            <span>{{ collector.memoryLimit == -1 ? 'Unlimited' : '%.0f MB'|format(collector.memoryLimit / 1024 / 1024) }}</span>
+            <span>{{ collector.memoryLimit == -1 ? 'Unlimited' : '%.0f MiB'|format(collector.memoryLimit / 1024 / 1024) }}</span>
         </div>
     {% endset %}
 

Resources/views/Collector/time.html.twig

@@ -52,7 +52,7 @@
 
         {% if profile.collectors.memory %}
             <div class="metric">
-                <span class="value">{{ '%.2f'|format(profile.collectors.memory.memory / 1024 / 1024) }} <span class="unit">MB</span></span>
+                <span class="value">{{ '%.2f'|format(profile.collectors.memory.memory / 1024 / 1024) }} <span class="unit">MiB</span></span>
                 <span class="label">Peak memory usage</span>
             </div>
         {% endif %}