fix(deps): update grafana monorepo to v12.4.0-21940238656

| datasource | package          | from               | to                 |
| ---------- | ---------------- | ------------------ | ------------------ |
| npm        | @grafana/data    | 12.4.0-21935752455 | 12.4.0-21940238656 |
| npm        | @grafana/runtime | 12.4.0-21935752455 | 12.4.0-21940238656 |
| npm        | @grafana/schema  | 12.4.0-21935752455 | 12.4.0-21940238656 |
| npm        | @grafana/ui      | 12.4.0-21935752455 | 12.4.0-21940238656 |


Signed-off-by: renovate-sh-app[bot] <219655108+renovate-sh-app[bot]@users.noreply.github.com>

Author: renovate-sh-app[bot]

package-lock.json

@@ -86,10 +86,10 @@
   },
   "dependencies": {
     "@emotion/css": "11.13.5",
-    "@grafana/data": "12.4.0-21935752455",
-    "@grafana/runtime": "12.4.0-21935752455",
-    "@grafana/schema": "12.4.0-21935752455",
-    "@grafana/ui": "12.4.0-21935752455",
+    "@grafana/data": "12.4.0-21940238656",
+    "@grafana/runtime": "12.4.0-21940238656",
+    "@grafana/schema": "12.4.0-21940238656",
+    "@grafana/ui": "12.4.0-21940238656",
     "js-sql-parser": "^1.6.0",
     "pgsql-ast-parser": "^12.0.1",
     "semver": "^7.7.3",