provider_segmentation_id is int (#51600)

According to the OpenStack Networking API
the attribute provider:segmentation_id of a network has to be
an integer.
Even if neutron accepts provider:segmentation_id to be a
string, other implementations may not.

changelogs/fragments/51600-provider_segmentation_id-is-int.yaml

@@ -0,0 +1,5 @@
+---
+bugfixes:
+  - os_network - According to the OpenStack Networking API the attribute
+    provider:segmentation_id of a network has to be an integer.
+    (https://github.com/ansible/ansible/issues/51655)

lib/ansible/modules/cloud/openstack/os_network.py

@@ -161,7 +161,7 @@ def main():
         external=dict(default=False, type='bool'),
         provider_physical_network=dict(required=False),
         provider_network_type=dict(required=False),
-        provider_segmentation_id=dict(required=False),
+        provider_segmentation_id=dict(required=False, type='int'),
         state=dict(default='present', choices=['absent', 'present']),
         project=dict(default=None),
         port_security_enabled=dict(default=False, type='bool')