fix(core): check for lerna before parsing lockfiles to prevent errors

[jaysoo]

Running Nx before dependencies are installed can result in an error during lockfile parsing.

Addresses lerna/lerna#3807

Current Behavior

Expected Behavior

Related Issue(s)

Fixes #

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1 Ignored Deployment

Name	Status	Preview	Comments	Updated (UTC)
nx-dev	⬜️ Ignored (Inspect)	Visit Preview		Aug 29, 2023 2:49pm

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✅ Successfully ran 8 targets

• nx affected --target=e2e --base=61d9022ba0aa7baeeb9abe0dbf2b8e468f782306 --head=99c61692b7315106eacf95019edf402db718d563 --parallel=1
• nx affected --target=test --base=61d9022ba0aa7baeeb9abe0dbf2b8e468f782306 --head=99c61692b7315106eacf95019edf402db718d563 --parallel=1
• nx affected --target=build --base=61d9022ba0aa7baeeb9abe0dbf2b8e468f782306 --head=99c61692b7315106eacf95019edf402db718d563 --parallel=3
• nx run-many -t check-imports check-commit check-lock-files check-codeowners documentation --parallel=1 --no-dte
• nx affected --target=lint --base=61d9022ba0aa7baeeb9abe0dbf2b8e468f782306 --head=99c61692b7315106eacf95019edf402db718d563 --parallel=3
• nx-cloud record -- nx format:check --base=61d9022ba0aa7baeeb9abe0dbf2b8e468f782306 --head=99c61692b7315106eacf95019edf402db718d563
• nx documentation --no-dte
• nx affected -t e2e-macos --parallel=1 --base=61d9022ba0aa7baeeb9abe0dbf2b8e468f782306 --head=99c61692b7315106eacf95019edf402db718d563

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[github-actions]

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