chore(deps): update dependency pack-n-play to v4

[renovate-bot]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
pack-n-play (source)	3.0.1 → 4.2.1

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Release Notes

googleapis/google-cloud-node-core (pack-n-play)

v4.2.1

Compare Source

Bug Fixes

• Lint and docs (#​77) (eba0f27)

v4.2.0

Compare Source

Features

• Extends tsconfig from gts and removed attribute defined in gts (#​55) (bf8a6dc)

Bug Fixes

• Eslint config in pack n play (#​54) (d36dc43)

v4.1.0

Compare Source

Features

• Add retry in linkinator config (#​42) (6d9e29d)

v4.0.3

Bug Fixes

• Repository directory in pack-n-play (#​40) (f3da693)

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