Pin dependencies

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
@emotion/core	dependencies	pin	^10.0.22 -> 10.0.22
@jbolda/isolated-theme-ui-components	dependencies	pin	^0.0.4 -> 0.0.4
@mdx-js/mdx (source)	dependencies	pin	^1.5.3 -> 1.5.3
@mdx-js/react (source)	dependencies	pin	^1.5.3 -> 1.5.3
gatsby	dependencies	pin	^2.18.16 -> 2.18.16
gatsby-image	dependencies	pin	^2.2.37 -> 2.2.37
gatsby-plugin-compile-es6-packages	dependencies	pin	^2.1.0 -> 2.1.0
gatsby-plugin-mdx	dependencies	pin	^1.0.64 -> 1.0.64
gatsby-plugin-netlify	dependencies	pin	^2.1.30 -> 2.1.30
gatsby-plugin-react-helmet	dependencies	pin	^3.1.18 -> 3.1.18
gatsby-plugin-sharp	dependencies	pin	^2.3.10 -> 2.3.10
gatsby-plugin-theme-ui	dependencies	pin	^0.2.53 -> 0.2.53
gatsby-source-airtable	dependencies	pin	^2.1.0-alpha.0 -> 2.1.0-alpha.0
gatsby-source-filesystem	dependencies	pin	^2.1.43 -> 2.1.43
gatsby-transformer-sharp	dependencies	pin	^2.3.9 -> 2.3.9
isolated-theme-ui	dependencies	pin	^1.0.1 -> 1.0.1
prettier (source)	devDependencies	pin	^1.19.1 -> 1.19.1
react (source)	dependencies	pin	^16.12.0 -> 16.12.0
react-dom (source)	dependencies	pin	^16.12.0 -> 16.12.0
react-helmet	dependencies	pin	^5.2.1 -> 5.2.1
theme-ui	dependencies	pin	^0.2.52 -> 0.2.52

:pushpin: Important: Renovate will wait until you have merged this Pin PR before creating any upgrade PRs for the affected packages. Add the preset :preserveSemverRanges your config if you instead don't wish to pin dependencies.

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