feat(testing): add disableJestRuntime option to @nx/jest/plugin to speed up target inference

[jaysoo]

This PR adds a new disableJestRuntime option to @nx/jest/plugin. By setting this to true, the inference plugin will not use jest-config and jest-runtime to retrieve outputs, nor matching spec files when ciTargetName is used. Instead, we'll use our own config loader and glob/matcher to get both values for the inferred targets.

This speeds up computation quite a bit. With a large monorepo (800 projects, 75K files), the computation goes from 2m 41s to 35s, or ~78% time reduction.

NOTE: This has no effect on existing projects and needs to be opted into.

Current Behavior

Expected Behavior

Related Issue(s)

Fixes #

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Name	Status	Preview	Updated (UTC)
nx-dev	✅ Ready (Inspect)	Visit Preview	Oct 28, 2024 6:03pm

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• nx affected --targets=lint,test,build,e2e,e2e-ci --base=1fec6375144c0335176c29c8292deadef898d7ec --head=5b0d672384f37dfca9d6ba5d88b6cddda22a3b75 --parallel=3
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