fix: copy yarn.lock to packages for deterministic builds

[tgriesser]

Additional details

CI Builds are failing due to incorrect patch for package dependencies. We should be working off of the root yarn.lock when installing in each package, until we land the changes in #17132

[cypress-bot]

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[cypress]

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Test summary

4125 • 0 • 50 • 2 • 1

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Run details

Project	cypress
Status	Passed
Commit	bb6e7ed
Started	Jul 6, 2021 9:45 PM
Ended	Jul 6, 2021 9:55 PM
Duration	10:13 💡
OS	Linux Debian - 10.8
Browser	Chrome beta 92

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Flakiness

	cypress/integration/commands/net_stubbing_spec.ts		1
1	network stubbing > waiting and aliasing > can timeout waiting on a single request using "alias.request"

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