Bump the npm_and_yarn group with 2 updates (#423)

Bumps the npm_and_yarn group with 2 updates: [postcss](https://github.com/postcss/postcss) and [webpack](https://github.com/webpack/webpack).


Updates `postcss` from 8.4.36 to 8.4.37
- [Release notes](https://github.com/postcss/postcss/releases)
- [Changelog](https://github.com/postcss/postcss/blob/main/CHANGELOG.md)
- [Commits](postcss/postcss@8.4.36...8.4.37)

Updates `webpack` from 5.76.1 to 5.94.0
- [Release notes](https://github.com/webpack/webpack/releases)
- [Commits](webpack/webpack@v5.76.1...v5.94.0)

---
updated-dependencies:
- dependency-name: postcss
  dependency-type: direct:development
  dependency-group: npm_and_yarn
- dependency-name: webpack
  dependency-type: indirect
  dependency-group: npm_and_yarn
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Damien Harper <[email protected]>

package.json

@@ -3,7 +3,7 @@
     "@symfony/webpack-encore": "^1.6.1",
     "autoprefixer": "^10.3.6",
     "glob-all": "^3.2.1",
-    "postcss": "^8.4.36",
+    "postcss": "^8.4.37",
     "postcss-loader": "^6.1.1",
     "purgecss": "^4.0.3",
     "purgecss-webpack-plugin": "^4.0.3",