Bump gatsby from 2.23.3 to 2.29.3

[dependabot-preview[bot]]

Bumps gatsby from 2.23.3 to 2.29.3.

Release notes

Sourced from gatsby's releases.

v2.29 (December 2020 #2)

Welcome to gatsby@2.29.0 release (December 2020 #2)

See full release notes

Key highlights of this release:

• Query on Demand - improves gatsby develop bootup time
• Lazy Images - do not wait for all images to be processed to start the development
• Improvements to our CLI - improved create-gatsby & new plugin command
• Experimental: Parallel data sourcing - run source plugins in parallel to speedup sourcing on sites with multiple source plugins

Other notable changes:

• Performance improvements
• Slugify option for File System Route API
• gatsby-image codemod
• Notable bugfixes

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

Previous release notes Full changelog

v2.28 (December 2020 #1)

Welcome to gatsby@2.28.0 release (December 2020 #1).

See full release notes

Key highlights of this release:

• New gatsby new - new, interactive way to create a Gatsby site
• Feature flags in gatsby-config - set your feature toggles without environment variables
• Improved Fast Refresh integration - better hot reloading
• Experimental: Lazy images in develop - run image transformations only when they are needed by browser

Other notable changes:

• Image plugin helpers - make it easier for plugin authors to support the new gatsby image plugin
• Experimental: New cache clearing behaviors - we're experimenting with ways to be smarter about clearing caches
• gatsby-plugin-emotion v5.0 - now uses emotion v11
• Removed experimental lazy page bundling
• Notable bugfixes

Sneak peek to next releases:

• Experimental: Parallel data sourcing - run source plugins in parallel to speedup sourcing on sites with multiple source plugins

Bleeding Edge: Want to try new features as soon as possible? Install gatsby@next and let us know

Commits

• f3dc484 chore(release): Publish
• ad8e4cb feat(gatsby): use production React for dev-ssr when CI=true (#28728) (#28792)
• 12a78af chore(release): Publish
• e3992ab chore(telemetry) improve github action and circle detection (#28732) (#28747)
• 6919703 feature(gatsby): Pause dev-ssr watching between page loads to avoid slowing d...
• 2864af9 fix(gatsby-plugin-image): do not return from preprocessSource if nothing is c...
• 0b8ea51 fix(gatsby): remove redundant dispatch of query extraction error (#28676) (#2...
• 5a0489d chore(release): Publish
• ede3505 chore: Fix dirty lock file
• ea741c3 fix(gatsby-plugin-sharp): catch errors when writing base64 images (#28614) (#...
• Additional commits viewable in compare view

Dependabot will resolve any conflicts with this PR as long as you don't alter it yourself. You can also trigger a rebase manually by commenting @dependabot rebase.

If all status checks pass Dependabot will automatically merge this pull request during working hours.

---

Dependabot commands and options

You can trigger Dependabot actions by commenting on this PR: - `@dependabot rebase` will rebase this PR - `@dependabot recreate` will recreate this PR, overwriting any edits that have been made to it - `@dependabot merge` will merge this PR after your CI passes on it - `@dependabot squash and merge` will squash and merge this PR after your CI passes on it - `@dependabot cancel merge` will cancel a previously requested merge and block automerging - `@dependabot reopen` will reopen this PR if it is closed - `@dependabot close` will close this PR and stop Dependabot recreating it. You can achieve the same result by closing it manually - `@dependabot ignore this major version` will close this PR and stop Dependabot creating any more for this major version (unless you reopen the PR or upgrade to it yourself) - `@dependabot ignore this minor version` will close this PR and stop Dependabot creating any more for this minor version (unless you reopen the PR or upgrade to it yourself) - `@dependabot ignore this dependency` will close this PR and stop Dependabot creating any more for this dependency (unless you reopen the PR or upgrade to it yourself) - `@dependabot use these labels` will set the current labels as the default for future PRs for this repo and language - `@dependabot use these reviewers` will set the current reviewers as the default for future PRs for this repo and language - `@dependabot use these assignees` will set the current assignees as the default for future PRs for this repo and language - `@dependabot use this milestone` will set the current milestone as the default for future PRs for this repo and language - `@dependabot badge me` will comment on this PR with code to add a "Dependabot enabled" badge to your readme Additionally, you can set the following in your Dependabot [dashboard](https://app.dependabot.com): - Update frequency (including time of day and day of week) - Pull request limits (per update run and/or open at any time) - Automerge options (never/patch/minor, and dev/runtime dependencies) - Out-of-range updates (receive only lockfile updates, if desired) - Security updates (receive only security updates, if desired)

---

⚠️ Dependabot won't automerge this PR as it didn't detect CI on it ⚠️

You have automerging enabled for this repo but Dependabot didn't detect any CI statuses or checks. You can disable automerging on this repo from here.

[dependabot-preview[bot]]

Superseded by #428.