Update grafana json file [skip ci]

Author: github-actions[bot]

benchmark_runner/grafana/perf/dashboard.json

@@ -2226,6 +2226,10 @@
                            "index": 543,
                            "text": "4.21.1-48"
                         },
+                        "421163": {
+                           "index": 546,
+                           "text": "4.21.1-63"
+                        },
                         "4212": {
                            "index": 539,
                            "text": "4.21.2"