Bump http-cache-semantics, gatsby and gatsby-plugin-sharp

Bumps [http-cache-semantics](https://github.com/kornelski/http-cache-semantics) to 4.1.1 and updates ancestor dependencies [http-cache-semantics](https://github.com/kornelski/http-cache-semantics), [gatsby](https://github.com/gatsbyjs/gatsby) and [gatsby-plugin-sharp](https://github.com/gatsbyjs/gatsby/tree/HEAD/packages/gatsby-plugin-sharp). These dependencies need to be updated together.


Updates `http-cache-semantics` from 4.1.0 to 4.1.1
- [Release notes](https://github.com/kornelski/http-cache-semantics/releases)
- [Commits](kornelski/http-cache-semantics@v4.1.0...v4.1.1)

Updates `gatsby` from 2.32.13 to 5.5.0
- [Release notes](https://github.com/gatsbyjs/gatsby/releases)
- [Changelog](https://github.com/gatsbyjs/gatsby/blob/master/CHANGELOG.md)
- [Commits](https://github.com/gatsbyjs/gatsby/compare/[email protected]@5.5.0)

Updates `gatsby-plugin-sharp` from 2.14.4 to 5.5.0
- [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)

---
updated-dependencies:
- dependency-name: http-cache-semantics
  dependency-type: indirect
- dependency-name: gatsby
  dependency-type: direct:development
- dependency-name: gatsby-plugin-sharp
  dependency-type: direct:development
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]