chore(deps): update gatsby monorepo

This PR contains the following updates:

Package	Type	Update	Change
babel-preset-gatsby	devDependencies	patch	`0.5.1` -> `0.5.2`
gatsby (changelog)	dependencies	minor	`2.23.20` -> `2.24.2`
gatsby-image	dependencies	patch	`2.4.12` -> `2.4.13`
gatsby-plugin-canonical-urls	dependencies	patch	`2.3.9` -> `2.3.10`
gatsby-plugin-layout	dependencies	patch	`1.3.9` -> `1.3.10`
gatsby-plugin-manifest	dependencies	patch	`2.4.17` -> `2.4.18`
gatsby-plugin-offline	dependencies	patch	`3.2.16` -> `3.2.17`
gatsby-plugin-react-helmet	dependencies	patch	`3.3.9` -> `3.3.10`
gatsby-plugin-sharp	dependencies	patch	`2.6.17` -> `2.6.19`
gatsby-plugin-sitemap	dependencies	patch	`2.4.10` -> `2.4.11`
gatsby-source-filesystem	dependencies	patch	`2.3.18` -> `2.3.19`
gatsby-transformer-sharp	dependencies	patch	`2.5.10` -> `2.5.11`

Release Notes

gatsbyjs/gatsby

### [`v0.5.2`](https://togithub.com/gatsbyjs/gatsby/compare/e623913b2cf9a6fc2894b2c3bf0ebe0f6d8ecb1a...960d523861b855c1fea45ceefe9cd01db760995b) [Compare Source](https://togithub.com/gatsbyjs/gatsby/compare/e623913b2cf9a6fc2894b2c3bf0ebe0f6d8ecb1a...960d523861b855c1fea45ceefe9cd01db760995b)

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multei / web

chore(deps): update gatsby monorepo #269

Release Notes

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