Limit permissions required for Logagent only setups (#20971)

Signed-off-by: Ciprian Hacman <ciprian.hacman@sematext.com>

stable/sematext-agent/Chart.yaml

@@ -1,6 +1,6 @@
 apiVersion: v1
 appVersion: "1.0"
-version: 1.0.21
+version: 1.0.22
 description: Helm chart for deploying Sematext Agent to Kubernetes
 keywords:
   - sematext

stable/sematext-agent/templates/clusterrole.yaml

@@ -14,6 +14,14 @@ rules:
   resources:
   - events
   - pods
+  verbs:
+  - list
+  - get
+  - watch
+{{- if or (.Values.containerToken) (.Values.infraToken) }}
+- apiGroups:
+  - ""
+  resources:
   - configmaps
   - nodes
   - secrets
@@ -53,3 +61,4 @@ rules:
   - watch
   - list
 {{- end }}
+{{- end }}