Bump the npm_and_yarn group across 1 directory with 2 updates

Bumps the npm_and_yarn group with 2 updates in the / directory: [js-cookie](https://github.com/js-cookie/js-cookie) and [postcss](https://github.com/postcss/postcss).


Updates `js-cookie` from 3.0.5 to 3.0.7
- [Release notes](https://github.com/js-cookie/js-cookie/releases)
- [Commits](js-cookie/js-cookie@v3.0.5...v3.0.7)

Updates `postcss` from 8.5.6 to 8.5.15
- [Release notes](https://github.com/postcss/postcss/releases)
- [Changelog](https://github.com/postcss/postcss/blob/main/CHANGELOG.md)
- [Commits](postcss/postcss@8.5.6...8.5.15)

---
updated-dependencies:
- dependency-name: js-cookie
  dependency-version: 3.0.7
  dependency-type: indirect
  dependency-group: npm_and_yarn
- dependency-name: postcss
  dependency-version: 8.5.15
  dependency-type: indirect
  dependency-group: npm_and_yarn
...

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

Author: dependabot[bot]