Bump echarts from 5.4.3 to 5.5.0 in /frontend

Bumps [echarts](https://github.com/apache/echarts) from 5.4.3 to 5.5.0.
- [Release notes](https://github.com/apache/echarts/releases)
- [Commits](https://github.com/apache/echarts/compare/5.4.3...5.5.0)

---
updated-dependencies:
- dependency-name: echarts
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

frontend/package.json

@@ -84,7 +84,7 @@
     "browserify": "^17.0.0",
     "clipboard": "^2.0.11",
     "domino": "^2.1.6",
-    "echarts": "~5.4.3",
+    "echarts": "~5.5.0",
     "lightweight-charts": "~3.8.0",
     "ngx-echarts": "~16.2.0",
     "ngx-infinite-scroll": "^16.0.0",