grafana: update grafana dashboard for goaurrpc

• Show totals for the last 24 hours (instead of all time)
• Add total search requests pie chart

Example: https://i.imgur.com/Y52vTBe.png

Signed-off-by: moson-mo mo-son@mailbox.org

roles/grafana/files/dashboards/goaurrpc.json

@@ -228,7 +228,7 @@
     {
       "datasource": {
         "type": "prometheus",
-        "uid": "xF5gALSVk"
+        "uid": "Prometheus"
       },
       "description": "The number of requests for the search type by \"by\" parameter within the last 24 hours",
       "fieldConfig": {
@@ -280,7 +280,7 @@
         {
           "datasource": {
             "type": "prometheus",
-            "uid": "xF5gALSVk"
+            "uid": "Prometheus"
           },
           "editorMode": "builder",
           "expr": "sum by(by) (increase(rpc_requests{type=\"search\"}[24h]))",