Update Grafana files

Author: ebattat

benchmark_runner/grafana/perf/dashboard.json

@@ -2234,6 +2234,14 @@
                            "index": 541,
                            "text": "4.22.0-ec.2"
                         },
+                        "422003": {
+                           "index": 544,
+                           "text": "4.22.0-ec.3"
+                        },
+                        "422021": {
+                           "index": 545,
+                           "text": "4.22.0-21"
+                        },
                         "4814": {
                            "index": 6,
                            "text": "4.8.14"