feature: include the nyc_taxis aggs challenge to nightly benchmarks (e…

…lastic#634) (elastic#637)

Both the noaa and nyc_taxis tracks include new plots. Here we update
dashboard ids for nightly benchmarks.

external/pages/index.html

@@ -515,7 +515,7 @@ <h4>History of changes</h4>
             "track": "NYC taxis",
             "description": "for evaluating the performance for highly structured data",
             "nightly_dashboards": {
-                "default": "80cfa8db-3e52-4ef1-9e40-cdaf0e372423"
+                "default": "c39e30e0-2a72-4cfd-94f9-85886d9acf4d"
             },
             "release_dashboard": "19485422-3669-4e40-9495-c7ec2eb447f6",
             "arm_dashboard": "518fba72-b3f8-44ce-a0a9-7f38fef1c7a7"
@@ -543,7 +543,7 @@ <h4>History of changes</h4>
             "track": "noaa",
             "description": "for evaluating the performance of range fields",
             "nightly_dashboards": {
-                "default": "173d7127-6900-44ec-8726-0e28a5c5e677"
+                "default": "dc8eeefd-fa62-4528-8e79-4c193f7f810a"
             },
             "release_dashboard": "d5560739-023c-4f2d-92d9-61b3a6da4480"
         },