[TASK] Reset ext_emconf.php version

Set extension version in ext_emconf.php to lower
version, otherwise usual release commands would
not change anything with tailor and not having a
valid preparation pull-request.

Author: sbuerk

ext_emconf.php

@@ -8,7 +8,7 @@
     'author_company' => 'web-vision GmbH',
     'author_email' => '[email protected]',
     'state' => 'stable',
-    'version' => '1.0.0',
+    'version' => '0.0.0',
     'constraints' => [
         'depends' => [
             'php' => '8.1.0-8.4.99',