[bot] [main] Automated version update (#2143)

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

manifests/setup/0prometheusruleCustomResourceDefinition.yaml

@@ -77,6 +77,11 @@ spec:
                             description: Alerts are considered firing once they have been returned for this long.
                             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
+                          keep_firing_for:
+                            description: KeepFiringFor defines how long an alert will continue firing after the condition that triggered it has cleared.
+                            minLength: 1
+                            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
                           labels:
                             additionalProperties:
                               type: string