Bump webpack from 5.76.3 to 5.88.2 in /plugin

Bumps [webpack](https://github.com/webpack/webpack) from 5.76.3 to 5.88.2.
- [Release notes](https://github.com/webpack/webpack/releases)
- [Commits](webpack/webpack@v5.76.3...v5.88.2)

---
updated-dependencies:
- dependency-name: webpack
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

plugin/package.json

@@ -35,7 +35,7 @@
     "postcss-less": "^4.0.0",
     "postcss-loader": "^4.0.4",
     "style-loader": "^2.0.0",
-    "webpack": "^5.76.3",
+    "webpack": "^5.88.2",
     "webpack-cli": "^5.0.1",
     "webpack-fix-style-only-entries": "^0.6.1",
     "webpack-merge": "^5.8.0"