build(deps): bump less-loader from 12.2.0 to 12.3.0 in /web

Bumps [less-loader](https://github.com/webpack-contrib/less-loader) from 12.2.0 to 12.3.0.
- [Release notes](https://github.com/webpack-contrib/less-loader/releases)
- [Changelog](https://github.com/webpack-contrib/less-loader/blob/master/CHANGELOG.md)
- [Commits](https://github.com/webpack-contrib/less-loader/compare/v12.2.0...v12.3.0)

---
updated-dependencies:
- dependency-name: less-loader
  dependency-version: 12.3.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

web/package.json

@@ -18,7 +18,7 @@
     "eslint-plugin-prettier": "^5.2.5",
     "http-proxy-middleware": "^3.0.5",
     "less": "^4.3.0",
-    "less-loader": "^12.2.0",
+    "less-loader": "^12.3.0",
     "prettier": "^3.3.2",
     "react": "^19.1.0",
     "react-app-rewired": "^2.1.11",