Bump @ag-grid-enterprise/core from 31.0.2 to 31.0.3 in /frontend

Bumps [@ag-grid-enterprise/core](https://github.com/ag-grid/ag-grid) from 31.0.2 to 31.0.3.
- [Release notes](https://github.com/ag-grid/ag-grid/releases)
- [Commits](ag-grid/ag-grid@v31.0.2...v31.0.3)

---
updated-dependencies:
- dependency-name: "@ag-grid-enterprise/core"
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

frontend/package-lock.json

@@ -17,7 +17,7 @@
     "@ag-grid-community/react": "^31.0.2",
     "@ag-grid-community/styles": "^31.0.2",
     "@ag-grid-enterprise/advanced-filter": "^31.0.2",
-    "@ag-grid-enterprise/core": "^31.0.2",
+    "@ag-grid-enterprise/core": "^31.0.3",
     "@ag-grid-enterprise/multi-filter": "^31.0.2",
     "@ag-grid-enterprise/row-grouping": "^31.0.2",
     "@ag-grid-enterprise/server-side-row-model": "^31.0.2",