Update grafana/promtail Docker tag to v3

manifests/monitoring/promtail.yaml

@@ -216,7 +216,7 @@ spec:
       serviceAccountName: promtail
       containers:
         - name: promtail
-          image: "grafana/promtail:2.9.17"
+          image: "grafana/promtail:3.6.4"
           imagePullPolicy: IfNotPresent
           args:
             - "-config.file=/etc/promtail/promtail.yaml"

manifests/nginx-lb/nginx-lb.yaml

@@ -492,7 +492,7 @@ spec:
               fieldPath: metadata.namespace
         - name: LD_PRELOAD
           value: /usr/local/lib/libmimalloc.so
-        image: registry.k8s.io/ingress-nginx/controller:v1.14.3@sha256:82917be97c0939f6ada1717bb39aa7e66c229d6cfb10dcfc8f1bd42f9efe0f81
+        image: registry.k8s.io/ingress-nginx/controller:v1.14.2@sha256:fb3e5c0bdff6a498dd5192b11a09ace0739baa9fe6ba519bf5b22425871ce490
         imagePullPolicy: IfNotPresent
         lifecycle:
           preStop: