Avoid spawning a shell for git

There is no need to pay for the overhead of spawning a shell.
call git directly.

src/Version.php

@@ -83,7 +83,7 @@ private function getGitInformation(string $path): false|string
         }
 
         $process = proc_open(
-            'git describe --tags',
+            ['git', 'describe', '--tags'],
             [
                 1 => ['pipe', 'w'],
                 2 => ['pipe', 'w'],