Ignore deletion exception

src/FileMutex.php

@@ -7,6 +7,7 @@
 use Amp\Sync\Mutex;
 use Amp\Sync\SyncException;
 use function Amp\delay;
+use const Amp\Process\IS_WINDOWS;
 
 final class FileMutex implements Mutex
 {
@@ -61,13 +62,11 @@ public function acquire(?Cancellation $cancellation = null): Lock
     private function release(File $file): void
     {
         try {
-            $this->filesystem->deleteFile($this->fileName); // Delete file while holding the lock.
-            $file->close();
-        } catch (FilesystemException $exception) {
-            throw new SyncException(
-                'Failed to unlock the mutex file: ' . $this->fileName,
-                previous: $exception,
-            );
+            $this->filesystem->deleteFile($this->fileName);
+        } catch (FilesystemException) {
+            // Ignore failure to delete the file.
         }
+
+        $file->close();
     }
 }