chore: Update Attribute Dictionary JSON

Author: svc-docs-eng-opensource-bot

src/data/attribute-dictionary-en.json

@@ -6477,6 +6477,16 @@
         "name": "operatingSystem",
         "units": null
       },
+      {
+        "definition": "<p>Number of pods running on node.</p>\n",
+        "events": [
+          "K8sNodeSample"
+        ],
+        "name": "runningPods",
+        "units": {
+          "label": "count"
+        }
+      },
       {
         "definition": "<p>Bytes available to the container runtime filesystem.</p>\n",
         "events": [