build(deps-dev): bump stylelint-config-standard in /web

Bumps [stylelint-config-standard](https://github.com/stylelint/stylelint-config-standard) from 38.0.0 to 39.0.0.
- [Release notes](https://github.com/stylelint/stylelint-config-standard/releases)
- [Changelog](https://github.com/stylelint/stylelint-config-standard/blob/main/CHANGELOG.md)
- [Commits](stylelint/stylelint-config-standard@38.0.0...39.0.0)

---
updated-dependencies:
- dependency-name: stylelint-config-standard
  dependency-version: 39.0.0
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

web/package-lock.json

@@ -33,7 +33,7 @@
         "mocha": "^11.7.1",
         "prettier": "^3.6.2",
         "stylelint": "^16.23.0",
-        "stylelint-config-standard": "^38.0.0",
+        "stylelint-config-standard": "^39.0.0",
         "stylelint-prettier": "^5.0.3",
         "ts-loader": "^9.5.2",
         "tsx": "^4.20.3",