chore(deps): bump sharp, gatsby-plugin-sharp and gatsby-transformer-s…

…harp (#12)

Bumps [sharp](https://github.com/lovell/sharp) to 0.32.6 and updates ancestor dependencies [sharp](https://github.com/lovell/sharp), [gatsby-plugin-sharp](https://github.com/gatsbyjs/gatsby/tree/HEAD/packages/gatsby-plugin-sharp) and [gatsby-transformer-sharp](https://github.com/gatsbyjs/gatsby/tree/HEAD/packages/gatsby-transformer-sharp). These dependencies need to be updated together.


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 `gatsby-plugin-sharp` from 5.8.1 to 5.12.3
- [Release notes](https://github.com/gatsbyjs/gatsby/releases)
- [Changelog](https://github.com/gatsbyjs/gatsby/blob/master/packages/gatsby-plugin-sharp/CHANGELOG.md)
- [Commits](https://github.com/gatsbyjs/gatsby/commits/[email protected]/packages/gatsby-plugin-sharp)

Updates `gatsby-transformer-sharp` from 5.7.0 to 5.12.3
- [Release notes](https://github.com/gatsbyjs/gatsby/releases)
- [Changelog](https://github.com/gatsbyjs/gatsby/blob/master/packages/gatsby-transformer-sharp/CHANGELOG.md)
- [Commits](https://github.com/gatsbyjs/gatsby/commits/[email protected]/packages/gatsby-transformer-sharp)

---
updated-dependencies:
- dependency-name: sharp
  dependency-type: indirect
- dependency-name: gatsby-plugin-sharp
  dependency-type: direct:development
- dependency-name: gatsby-transformer-sharp
  dependency-type: direct:development
...

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