Bump the npm_and_yarn group across 1 directory with 5 updates

Bumps the npm_and_yarn group with 5 updates in the / directory:

| Package | From | To |
| --- | --- | --- |
| [postcss](https://github.com/postcss/postcss) | `8.4.21` | `8.4.31` |
| [ejs](https://github.com/mde/ejs) | `3.1.8` | `3.1.10` |
| [nunjucks](https://github.com/mozilla/nunjucks) | `3.2.3` | `3.2.4` |
| [sharp](https://github.com/lovell/sharp) | `0.31.3` | `0.32.6` |
| [@11ty/eleventy-img](https://github.com/11ty/eleventy-img) | `3.0.0` | `3.1.8` |



Updates `postcss` from 8.4.21 to 8.4.31
- [Release notes](https://github.com/postcss/postcss/releases)
- [Changelog](https://github.com/postcss/postcss/blob/main/CHANGELOG.md)
- [Commits](postcss/postcss@8.4.21...8.4.31)

Updates `ejs` from 3.1.8 to 3.1.10
- [Release notes](https://github.com/mde/ejs/releases)
- [Commits](mde/ejs@v3.1.8...v3.1.10)

Updates `nunjucks` from 3.2.3 to 3.2.4
- [Release notes](https://github.com/mozilla/nunjucks/releases)
- [Changelog](https://github.com/mozilla/nunjucks/blob/master/CHANGELOG.md)
- [Commits](mozilla/nunjucks@v3.2.3...v3.2.4)

Updates `sharp` from 0.31.3 to 0.32.6
- [Release notes](https://github.com/lovell/sharp/releases)
- [Changelog](https://github.com/lovell/sharp/blob/main/docs/changelog.md)
- [Commits](lovell/sharp@v0.31.3...v0.32.6)

Updates `@11ty/eleventy-img` from 3.0.0 to 3.1.8
- [Release notes](https://github.com/11ty/eleventy-img/releases)
- [Commits](11ty/eleventy-img@v3.0.0...v3.1.8)

---
updated-dependencies:
- dependency-name: postcss
  dependency-type: direct:development
  dependency-group: npm_and_yarn
- dependency-name: ejs
  dependency-type: indirect
  dependency-group: npm_and_yarn
- dependency-name: nunjucks
  dependency-type: indirect
  dependency-group: npm_and_yarn
- dependency-name: sharp
  dependency-type: indirect
  dependency-group: npm_and_yarn
- dependency-name: "@11ty/eleventy-img"
  dependency-type: direct:development
  dependency-group: npm_and_yarn
...

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