chore(deps): bump the npm-dependencies group with 2 updates

Bumps the npm-dependencies group with 2 updates: [gatsby](https://github.com/gatsbyjs/gatsby) and [nx](https://github.com/nrwl/nx/tree/HEAD/packages/nx).


Updates `gatsby` from 5.14.1 to 5.14.3
- [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]@5.14.3)

Updates `nx` from 20.7.1 to 20.7.2
- [Release notes](https://github.com/nrwl/nx/releases)
- [Commits](https://github.com/nrwl/nx/commits/20.7.2/packages/nx)

---
updated-dependencies:
- dependency-name: gatsby
  dependency-version: 5.14.3
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: npm-dependencies
- dependency-name: nx
  dependency-version: 20.7.2
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: npm-dependencies
...

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

Author: dependabot[bot]