chore(deps): update gatsby monorepo

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
babel-preset-gatsby	devDependencies	patch	0.2.28 -> 0.2.29
gatsby	dependencies	patch	2.19.13 -> 2.19.14

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Release Notes

gatsbyjs/gatsby

### [`v0.2.29`](https://togithub.com/gatsbyjs/gatsby/compare/b349d1096e65f2f3738e7230184d288264b03341...ced3e8bd48a6d3f14b0fe3360e07b2c09f545ede) [Compare Source](https://togithub.com/gatsbyjs/gatsby/compare/b349d1096e65f2f3738e7230184d288264b03341...ced3e8bd48a6d3f14b0fe3360e07b2c09f545ede)

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