[bot] [main] Automated version update (#2449)

Co-authored-by: Prometheus Operator Bot <prom-op-bot@users.noreply.github.com>

manifests/setup/0alertmanagerConfigCustomResourceDefinition.yaml

@@ -2783,6 +2783,10 @@ spec:
                               Either `token` or `tokenFile` is required.
                               It requires Alertmanager >= v0.26.0.
                             type: string
+                          ttl:
+                            description: The time to live definition for the alert notification
+                            pattern: ^(0|(([0-9]+)y)?(([0-9]+)w)?(([0-9]+)d)?(([0-9]+)h)?(([0-9]+)m)?(([0-9]+)s)?(([0-9]+)ms)?)$
+                            type: string
                           url:
                             description: A supplementary URL shown alongside the message.
                             type: string