Update gatsby monorepo

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
babel-preset-gatsby	devDependencies	patch	0.4.1 -> 0.4.7
gatsby (changelog)	dependencies	minor	2.21.19 -> 2.22.10
gatsby-plugin-google-analytics	dependencies	patch	2.3.1 -> 2.3.2
gatsby-plugin-manifest	dependencies	patch	2.4.2 -> 2.4.9
gatsby-plugin-react-helmet	dependencies	patch	3.3.1 -> 3.3.2
gatsby-plugin-sharp	dependencies	patch	2.6.2 -> 2.6.9
gatsby-plugin-typescript	dependencies	patch	2.4.2 -> 2.4.3
gatsby-plugin-typography	dependencies	patch	2.5.1 -> 2.5.2
gatsby-remark-images	dependencies	patch	3.3.1 -> 3.3.8
gatsby-remark-prismjs	dependencies	patch	3.5.1 -> 3.5.2
gatsby-source-filesystem	dependencies	patch	2.3.1 -> 2.3.8
gatsby-transformer-remark	dependencies	patch	2.8.7 -> 2.8.13

---

Release Notes

gatsbyjs/gatsby

v0.4.7

Compare Source

v0.4.6

Compare Source

v0.4.5

Compare Source

v0.4.4

Compare Source

v0.4.3

Compare Source

v0.4.2

Compare Source

---

Renovate configuration

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

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

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

👻 Immortal: This PR will be recreated if closed unmerged. Get config help if that's undesired.

---

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

---

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