Update dependency azure-mgmt-network to v28 (#806)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

poetry.lock

@@ -46,7 +46,7 @@ google-cloud-compute = "^1.14.1"
 azure-mgmt-resource = "^23.0.1"
 azure-identity = "^1.15.0"
 azure-mgmt-redhatopenshift = "^2.0.0"
-azure-mgmt-network = "^27.0.0"
+azure-mgmt-network = "^28.0.0"
 azure-mgmt-subscription = "^3.1.1"
 azure-core = "^1.30.1"
 openshift-python-utilities = "^5.0.49"