Extend procstat_running-based metric alerts.

Related-PROD: PROD-35435
Change-Id: Ib28f4223d6dbdde41d1e3529a022d0be0e79dfa2
diff --git a/docker/meta/prometheus.yml b/docker/meta/prometheus.yml
index 5aeca2f..e63e692 100644
--- a/docker/meta/prometheus.yml
+++ b/docker/meta/prometheus.yml
@@ -6,6 +6,7 @@
       if: >-
         procstat_running{process_name="dockerd"} == 0
   {%- raw %}
+      for: 2m
       labels:
         severity: minor
         service: docker
@@ -27,6 +28,7 @@
       if: >-
         count(label_replace(procstat_running{process_name="dockerd"}, "cluster", "$1", "host", "([^0-9]+).+")) by (cluster) == count(label_replace(procstat_running{process_name="dockerd"} == 0, "cluster", "$1", "host", "([^0-9]+).+")) by (cluster)
   {%- raw %}
+      for: 2m
       labels:
         severity: critical
         service: docker