Bump gatsby from 2.25.3 to 2.26.1

[dependabot-preview[bot]]

Bumps gatsby from 2.25.3 to 2.26.1.

Release notes

Sourced from gatsby's releases.

v2.26 (November 2020)

Welcome to gatsby@2.26.0 release (November 2020).

Key highlights of this release:

• New Image Plugin (beta) - access static images without GraphQL, high Lighthouse scores again
• File System Route API - create routes from your data using filename conventions
• New Release Process - more stability and clarity around Gatsby releases
• gatsby-source-contentful v4.0 - new RichText implementation, performance improvements

Other notable changes:

• gatsby-plugin-mdx - performance improvements
• Enable compression in the dev server - speeds up remote previews

Sneak peek to next releases:

• Queries on Demand - improves gatsby develop bootup time
• Experimental: Lazy images in develop
• Documentation Reorganization

Bleeding Edge: Want to try new features as soon as possible? Install gatsby@next and let us know if you have any issues.

Full release notes Full changelog

Commits

• f039123 chore(release): Publish
• 8f16b9d fix(gatsby): allow unknown plugin options (#27938) (#28010)
• 9f24f25 Revert "fix(gatsby): refresh browser when receiving update and runtime errore...
• 59713ed chore(gatsby-telemetry): add more value placeholders. (#27949 and #28025) (#2...
• ae4c51e fix(gatsby-plugin-sass): loosely check postCssPlugins (#27829) (#28037)
• 537bc8f fix(gatsby-remark-images): adding missing plugin options (#27944 and #27998) ...
• 135e554 chore(release): Publish pre-release
• 048472d fix(gatsby-transformer-sharp): create child nodes only for Files (#27992) (#2...
• 9109758 fix(gatsby): don't hide original error if stack-trace point to not existing f...
• ad79b78 fix(gatsby-transformer-asciidoc): fails when doc doesn't have title (#27865)
• Additional commits viewable in compare view

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[dependabot-preview[bot]]

Superseded by #553.