Update @material-ui/pickers requirement from ^3.1.1 to ^3.2.0 in /docs

[dependabot-preview]

Updates the requirements on @material-ui/pickers to permit the latest version.

Release notes

Sourced from @material-ui/pickers's releases.

v3.2.0

This is a new release of material-ui-pickers. Are you excited?
Here comes orientation support 🎉 . From now pickers will automatically use device orientation and change the layout for a better experience.

For now this feature supported only for DatePicker and TimePicker

Features

• Add variant="static" (#1164)
• Landscape orientation support (#1177)
• Custom toolbar component via ToolbarComponent prop (#1182)

Fixes/Enhancements

• [Calendar] Remove arrows white background on sliding from disabled state
• Do not show error if input value was cleared symbol by symbol (#1160)
• Fix keyboard popover position (#1184)
• [InlineVariant] Do not update value on backdrop click (#1162)
• [TimePicker] Properly hide separator if views not included (#1161)
• Do not accept a and p sympbols in not am/pm mode (#1183)
• [docs] Fix variant prop type displaying, highlight code in 'type'
• [docs] Add Hijri calendar example (#1153)

Big thanks to everyone who supported this release ❤️

Commits

• 20d93d6 v3.2.0
• ced572e Use yarn to publish
• 6385d85 Fix keyboard popover position (#1184)
• 5b7e485 Do not accept a and p sympbols in not am/pm mode (#1183)
• a9067fd Custom toolbar component (#1182)
• 646db90 Landscape orientation support (#1177)
• 15a44a0 Add variant="static" (#1164)
• 973dc27 [docs] Fix variant prop type displaying, highlight code in 'type' column (#1163)
• 790c7be [InlineVariant] Do not update value on backdrop click (#1162)
• f119d6c [TimePicker] Properly hide separator if views not included (#1161)
• 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.

---

Note: This repo was added to Dependabot recently, so you'll receive a maximum of 5 PRs for your first few update runs. Once an update run creates fewer than 5 PRs we'll remove that limit.

You can always request more updates by clicking Bump now in your Dependabot dashboard.

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 ignore this [patch|minor|major] version will close this PR and stop Dependabot creating any more for this minor/major version (unless you reopen the PR or upgrade to it). To ignore the version in this PR you can just close it
• @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:

• Update frequency (including time of day and day of week)
• Pull request limits (per update run and/or open at any time)
• Out-of-range updates (receive only lockfile updates, if desired)
• Security updates (receive only security updates, if desired)

Finally, you can contact us by mentioning @dependabot.