Build(deps): bump postcss (#1392)

Bumps the npm_and_yarn group with 1 update in the /solution/ui/regulations/eregs-vite directory: [postcss](https://github.com/postcss/postcss).


Updates `postcss` from 8.4.39 to 8.4.40
- [Release notes](https://github.com/postcss/postcss/releases)
- [Changelog](https://github.com/postcss/postcss/blob/main/CHANGELOG.md)
- [Commits](postcss/postcss@8.4.39...8.4.40)

---
updated-dependencies:
- dependency-name: postcss
  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>