Update dependency gatsby to v2.21.33

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
gatsby (changelog)	dependencies	patch	2.21.27 -> 2.21.33

---

Release Notes

gatsbyjs/gatsby

### [`v2.21.33`](https://togithub.com/gatsbyjs/gatsby/compare/gatsby@2.21.32...gatsby@2.21.33) [Compare Source](https://togithub.com/gatsbyjs/gatsby/compare/gatsby@2.21.32...gatsby@2.21.33) ### [`v2.21.32`](https://togithub.com/gatsbyjs/gatsby/compare/gatsby@2.21.31...gatsby@2.21.32) [Compare Source](https://togithub.com/gatsbyjs/gatsby/compare/gatsby@2.21.31...gatsby@2.21.32) ### [`v2.21.31`](https://togithub.com/gatsbyjs/gatsby/compare/gatsby@2.21.30...gatsby@2.21.31) [Compare Source](https://togithub.com/gatsbyjs/gatsby/compare/gatsby@2.21.30...gatsby@2.21.31) ### [`v2.21.30`](https://togithub.com/gatsbyjs/gatsby/compare/gatsby@2.21.29...gatsby@2.21.30) [Compare Source](https://togithub.com/gatsbyjs/gatsby/compare/gatsby@2.21.29...gatsby@2.21.30) ### [`v2.21.29`](https://togithub.com/gatsbyjs/gatsby/compare/gatsby@2.21.28...gatsby@2.21.29) [Compare Source](https://togithub.com/gatsbyjs/gatsby/compare/gatsby@2.21.28...gatsby@2.21.29) ### [`v2.21.28`](https://togithub.com/gatsbyjs/gatsby/compare/gatsby@2.21.27...gatsby@2.21.28) [Compare Source](https://togithub.com/gatsbyjs/gatsby/compare/gatsby@2.21.27...gatsby@2.21.28)

---

Renovate configuration

:date: Schedule: At any time (no schedule defined).

:vertical_traffic_light: Automerge: Disabled by config. Please merge this manually once you are satisfied.

:recycle: Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

:no_bell: Ignore: Close this PR and you won't be reminded about this update again.

---

• [ ] If you want to rebase/retry this PR, check this box

---

This PR has been generated by WhiteSource Renovate. View repository job log here.