Bump gridstack from 11.5.1 to 13.2.0 in /web

Bumps [gridstack](https://github.com/gridstack/gridstack.js) from 11.5.1 to 13.2.0.
- [Release notes](https://github.com/gridstack/gridstack.js/releases)
- [Changelog](https://github.com/gridstack/gridstack.js/blob/master/doc/CHANGES.md)
- [Commits](https://github.com/gridstack/gridstack.js/commits/v13.2.0)

---
updated-dependencies:
- dependency-name: gridstack
  dependency-version: 13.2.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

web/package.json

@@ -29,7 +29,7 @@
 		"@codemirror/state": "^6.7.4",
 		"@codemirror/view": "^6.43.11",
 		"echarts": "^6.1.0",
-		"gridstack": "^11.5.0"
+		"gridstack": "^13.2.0"
 	},
 	"overrides": {
 		"cookie": "^0.7.2"