chore(release): 1.6.0 [skip ci]

# [1.6.0](v1.5.0...v1.6.0) (2023-11-23)

### Features

* added free rootfs to edge nodes ([202e654](202e654))

charts/grafana-dashboards/Chart.yaml

@@ -1,9 +1,10 @@
 apiVersion: v2
 name: grafana-dashboards
-description: This chart contains a bunch of grafana dashboards that are loaded into grafana by the grafana-operator.
+description: This chart contains a bunch of grafana dashboards that are loaded
+  into grafana by the grafana-operator.
 type: application
-version: 1.5.0
-appVersion: 1.5.0
+version: 1.6.0
+appVersion: 1.6.0
 keywords:
   - edgefarm.monitor
   - grafana

charts/grafana-dashboards/templates/dashboard-edge-nodes.yaml

@@ -242,6 +242,69 @@ data:
           "title": "RootFS Total",
           "type": "stat"
         },
+        {
+          "datasource": {
+            "type": "prometheus",
+            "uid": "${datasource}"
+          },
+          "fieldConfig": {
+            "defaults": {
+              "color": {
+                "mode": "thresholds"
+              },
+              "mappings": [],
+              "thresholds": {
+                "mode": "percentage",
+                "steps": [
+                  {
+                    "color": "text",
+                    "value": null
+                  }
+                ]
+              },
+              "unit": "decbytes"
+            },
+            "overrides": []
+          },
+          "gridPos": {
+            "h": 3,
+            "w": 4,
+            "x": 7,
+            "y": 0
+          },
+          "id": 46,
+          "options": {
+            "colorMode": "value",
+            "graphMode": "area",
+            "justifyMode": "auto",
+            "orientation": "auto",
+            "reduceOptions": {
+              "calcs": [
+                "lastNotNull"
+              ],
+              "fields": "",
+              "values": false
+            },
+            "textMode": "auto"
+          },
+          "pluginVersion": "9.5.1",
+          "targets": [
+            {
+              "datasource": {
+                "type": "prometheus",
+                "uid": "${datasource}"
+              },
+              "editorMode": "builder",
+              "expr": "node_filesystem_free_bytes{instance=\"$instance\", job=\"node_exporter\", mountpoint=\"/\", fstype!=\"rootfs\"}",
+              "legendFormat": {{`"__auto",`}}
+              "range": true,
+              "refId": "A"
+            }
+          ],
+          "title": "RootFs Free",
+          "transparent": true,
+          "type": "stat"
+        },
         {
           "datasource": {
             "type": "prometheus",
@@ -273,7 +336,7 @@ data:
           "gridPos": {
             "h": 3,
             "w": 4,
-            "x": 7,
+            "x": 11,
             "y": 0
           },
           "id": 22,