LG-4650: migrate from yarn to pnpm

[stephl3]

✍️ Proposed changes

• migrates from yarn to pnpm

🎟 Jira ticket: LG-4650

✅ Checklist

For bug fixes, new features & breaking changes

• I have added tests that prove my fix is effective or that my feature works
• I have added necessary documentation (if appropriate)
• I have run yarn changeset and documented my changes

🧪 How to test changes

• spot check storybook

[changeset-bot]

🦋 Changeset detected

Latest commit: b7e4af9

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 94 packages

Name	Type
@leafygreen-ui/leafygreen-provider	Patch
@leafygreen-ui/confirmation-modal	Patch
@leafygreen-ui/inline-definition	Patch
@leafygreen-ui/loading-indicator	Patch
@leafygreen-ui/segmented-control	Patch
@lg-tools/storybook-decorators	Patch
@leafygreen-ui/expandable-card	Patch
@leafygreen-ui/marketing-modal	Patch
@leafygreen-ui/radio-box-group	Patch
@leafygreen-ui/skeleton-loader	Patch
@leafygreen-ui/password-input	Patch
@lg-chat/fixed-chat-window	Patch
@leafygreen-ui/info-sprinkle	Patch
@lg-chat/message-feedback	Patch
@leafygreen-ui/input-option	Patch
@leafygreen-ui/number-input	Patch
@leafygreen-ui/ordered-list	Patch
@leafygreen-ui/search-input	Patch
@leafygreen-ui/split-button	Patch
@lg-tools/storybook-addon	Patch
@lg-tools/storybook-utils	Patch
@lg-chat/chat-disclaimer	Patch
@lg-chat/message-prompts	Patch
@leafygreen-ui/date-picker	Patch
@leafygreen-ui/descendants	Patch
@leafygreen-ui/empty-state	Patch
@leafygreen-ui/form-footer	Patch
@leafygreen-ui/icon-button	Patch
@leafygreen-ui/polymorphic	Patch
@leafygreen-ui/radio-group	Patch
@leafygreen-ui/testing-lib	Patch
@lg-tools/test-harnesses	Patch
@lg-chat/message-rating	Patch
@leafygreen-ui/date-utils	Patch
@leafygreen-ui/form-field	Patch
@leafygreen-ui/pagination	Patch
@leafygreen-ui/text-input	Patch
@leafygreen-ui/typography	Patch
@leafygreen-ui/guide-cue	Patch
@leafygreen-ui/text-area	Patch
@lg-chat/message-feed	Patch
@leafygreen-ui/checkbox	Patch
@leafygreen-ui/combobox	Patch
@leafygreen-ui/copyable	Patch
@leafygreen-ui/pipeline	Patch
@leafygreen-ui/side-nav	Patch
@lg-chat/chat-window	Patch
@lg-chat/lg-markdown	Patch
@leafygreen-ui/callout	Patch
@leafygreen-ui/palette	Patch
@leafygreen-ui/popover	Patch
@leafygreen-ui/stepper	Patch
@leafygreen-ui/tooltip	Patch
@lg-chat/rich-links	Patch
@leafygreen-ui/avatar	Patch
@leafygreen-ui/banner	Patch
@leafygreen-ui/button	Patch
@leafygreen-ui/portal	Patch
@leafygreen-ui/ripple	Patch
@leafygreen-ui/select	Patch
@leafygreen-ui/toggle	Patch
@leafygreen-ui/tokens	Patch
@lg-chat/input-bar	Patch
@lg-chat/title-bar	Patch
@leafygreen-ui/badge	Patch
@leafygreen-ui/hooks	Patch
@leafygreen-ui/modal	Patch
@leafygreen-ui/table	Patch
@leafygreen-ui/toast	Patch
@lg-tools/codemods	Patch
@lg-tools/slackbot	Patch
@lg-tools/validate	Patch
@leafygreen-ui/a11y	Patch
@leafygreen-ui/card	Patch
@leafygreen-ui/chip	Patch
@leafygreen-ui/code	Patch
@leafygreen-ui/icon	Patch
@leafygreen-ui/logo	Patch
@leafygreen-ui/menu	Patch
@leafygreen-ui/tabs	Patch
@lg-tools/install	Patch
@lg-chat/message	Patch
@leafygreen-ui/box	Patch
@leafygreen-ui/lib	Patch
@lg-tools/create	Patch
@lg-tools/update	Patch
@lg-charts/core	Patch
@lg-chat/avatar	Patch
@lg-tools/build	Patch
@lg-tools/link	Patch
@lg-tools/lint	Patch
@lg-tools/meta	Patch
@lg-tools/test	Patch
@lg-tools/cli	Patch

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[TheSonOfThomp]

Looks good! Just a few nits, and questions about some workspace-wide installed packages

[TheSonOfThomp]

Any way we can resolve these warnings?

 WARN  Failed to create bin at /Users/adam.thompson/Documents/GitHub/leafygreen-ui/tools/cli/node_modules/.bin/lg-create. ENOENT: no such file or directory, open '/Users/adam.thompson/Documents/GitHub/leafygreen-ui/tools/create/dist/legacy-create.js'
 WARN  Failed to create bin at /Users/adam.thompson/Documents/GitHub/leafygreen-ui/tools/cli/node_modules/.bin/lg-update. ENOENT: no such file or directory, open '/Users/adam.thompson/Documents/GitHub/leafygreen-ui/tools/update/bin/index.js'
 WARN  Failed to create bin at /Users/adam.thompson/Documents/GitHub/leafygreen-ui/tools/cli/node_modules/.bin/lg-create. ENOENT: no such file or directory, open '/Users/adam.thompson/Documents/GitHub/leafygreen-ui/tools/cli/node_modules/@lg-tools/create/dist/legacy-create.js'
 WARN  Failed to create bin at /Users/adam.thompson/Documents/GitHub/leafygreen-ui/tools/cli/node_modules/.bin/lg-update. ENOENT: no such file or directory, open '/Users/adam.thompson/Documents/GitHub/leafygreen-ui/tools/cli/node_modules/@lg-tools/update/bin/index.js'