also evict cache when acquiring tmpfile fails, to avoid stale caches

Author: dbu

src/Cache/FileCache.php

@@ -48,6 +48,8 @@ public function put(ClassMetadata $metadata): void
 
         $tmpFile = tempnam($this->dir, 'metadata-cache');
         if (false === $tmpFile) {
+            $this->evict($metadata->name);
+
             return;
         }
         $data = '<?php return unserialize(' . var_export(serialize($metadata), true) . ');';