chore(k8): system requirements fine-tuning

- reduced at homepages
- reduced at netronome
- reduced at dockmon
- reduced at gitea
- reduced at kener

dockmon/k8s/dockmon.yaml

@@ -51,8 +51,8 @@ spec:
               memory: "512Mi"
               cpu: "200m"
             limits:
-              memory: "2Gi"
-              cpu: "1500m "
+              memory: "1.5Gi"
+              cpu: "700m "
       volumes:
         - name: docker-sock
           hostPath: