Update pip requirements to pass stage2 and stage3 in all modules

Change-Id: Ia4ab95b9b1c69bf688b6a9b05aaae8130073d529
Signed-off-by: garciadeblas <gerardo.garciadeblas@telefonica.com>
diff --git a/requirements.in b/requirements.in
index be599a6..0901183 100644
--- a/requirements.in
+++ b/requirements.in
@@ -22,6 +22,7 @@
 gnocchiclient
 google-api-python-client
 google-auth
+packaging==23.1
 prometheus-api-client
 prometheus-client
 python-ceilometerclient