build(deps): bump gatsby-codemods from 3.19.0 to 3.20.0
build(deps): bump gatsby-codemods from 3.19.0 to 3.20.0

Bumps [gatsby-codemods](https://github.com/gatsbyjs/gatsby/tree/HEAD/packages/gatsby-codemods) from 3.19.0 to 3.20.0.
- [Release notes](https://github.com/gatsbyjs/gatsby/releases)
- [Changelog](https://github.com/gatsbyjs/gatsby/blob/master/packages/gatsby-codemods/CHANGELOG.md)
- [Commits](https://github.com/gatsbyjs/gatsby/commits/gatsby-codemods@3.20.0/packages/gatsby-codemods)

---
updated-dependencies:
- dependency-name: gatsby-codemods
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@github.com>
yowainwright/yowainwright.github.io,yowainwright/yowainwright.github.io,yowainwright/yowainwright.github.io