[ez] Update rockset query for test class times (#4873)

Dunno how this didn't fail immediately, will need to investigate later

Author: clee2000

torchci/rockset/commons/__sql/test_time_per_class_periodic_jobs.sql

@@ -41,7 +41,7 @@ job AS (
 class_duration_per_job AS (
     SELECT
         test_run.invoking_file as file,
-        test_run.classname as class,
+        test_run.classname as classname,
         SUM(time) as time,
         REGEXP_EXTRACT(job.name, '^(.*) /', 1) as base_name,
         REGEXP_EXTRACT(job.name, '/ test \((\w*),', 1) as test_config,
@@ -62,19 +62,19 @@ class_duration_per_job AS (
 )
 SELECT
     REPLACE(file, '.', '/') AS file,
-    class,
+    classname,
     base_name,
     test_config,
     AVG(time) as time
 FROM
     class_duration_per_job
 GROUP BY
     file,
-    class,
+    classname,
     base_name,
     test_config
 ORDER BY
     base_name,
     test_config,
     file,
-    class
+    classname

torchci/rockset/prodVersions.json

@@ -32,7 +32,7 @@
     "weekly_force_merge_stats": "d2264131599bcf6e",
     "pr_commits": "7ef5e3d100a56edc",
     "test_time_per_class": "630fa1ba72a3222b",
-    "test_time_per_class_periodic_jobs": "8984c4105920b6e5"
+    "test_time_per_class_periodic_jobs": "c91054c7a10b377e"
   },
   "pytorch_dev_infra_kpis": {
     "monthly_contribution_stats": "c1a8751a22f6b6ce",