chore: cover integration dir on lint-staged config

[micalevisk]

PR Checklist

Please check if your PR fulfills the following requirements:

• The commit message follows our guidelines: https://github.com/nestjs/nest/blob/master/CONTRIBUTING.md
• Tests for the changes have been added (for bug fixes / features)
• Docs have been added / updated (for bug fixes / features)

PR Type

What kind of change does this PR introduce?

• Bugfix
• Feature
• Code style update (formatting, local variables)
• Refactoring (no functional changes, no api changes)
• Build related changes
• CI related changes
• Other... Please describe:

What is the current behavior?

there's a mismatch between the format npm-script and the files that lint-staged will watch against

nest/package.json

Line 26 in f765e2c

"format": "prettier \"**/*.ts\" --ignore-path ./.prettierignore --write && git status",

nest/package.json

Line 47 in f765e2c

"packages/**/*.{ts,json}": [

What is the new behavior?

now both are following the same patterns

Does this PR introduce a breaking change?

• Yes
• No

[coveralls]

Pull Request Test Coverage Report for Build 35aa0177-26a2-40f9-bd1d-b67da1a19735

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 94.107%

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Totals
Change from base Build 0b0f62d7-5768-434b-b26f-340c513ce1c1:	0.0%
Covered Lines:	5781
Relevant Lines:	6143

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💛 - Coveralls

[kamilmysliwiec]

LGTM