build(deps): update dependency @nestjs/config to v3.1.1

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
@nestjs/config	3.1.0 -> 3.1.1

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Release Notes

nestjs/config (@​nestjs/config)

v3.1.1

Compare Source

• fix: exclude undefined if default value specified #​1460 (83974af)
• chore(deps): update dependency jest to v29.7.0 (a76ff24)

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