Update grafana json file [skip ci]

Author: github-actions[bot]

benchmark_runner/grafana/perf/dashboard.json

@@ -2124,6 +2124,10 @@
                            "index": 514,
                            "text": "4.21.0-ec.3"
                         },
+                        "4210102": {
+                           "index": 525,
+                           "text": "4.21.0-102"
+                        },
                         "421034": {
                            "index": 513,
                            "text": "4.21.0-34"