fix(deps): update dependency @nestjs/config to v4

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
@nestjs/config	^3.3.0 -> ^4.0.0

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Release Notes

nestjs/config (@​nestjs/config)

v4.0.0

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Breaking changes

The order in which configuration variables are read by the ConfigService#get method has been updated. The new order is:

• Internal configuration (config namespaces and custom config files)
• Validated environment variables (if validation is enabled and a schema is provided)
• The process.env object

Previously, validated environment variables and the process.env object were read first, preventing them from being overridden by internal configuration. With this update, internal configuration will now always take precedence over environment variables.

Additionally, the ignoreEnvVars configuration option, which previously allowed disabling validation of the process.env object, has been deprecated. Instead, use the validatePredefined option (set to false to disable validation of predefined environment variables). Predefined environment variables refer to process.env variables that were set before the module was imported. For example, if you start your application with PORT=3000 node main.js, the PORT variable is considered predefined. However, variables loaded by the ConfigModule from a .env file are not classified as predefined.

A new skipProcessEnv option has also been introduced. This option allows you to prevent the ConfigService#get method from accessing the process.env object entirely, which can be helpful when you want to restrict the service from reading environment variables directly.

Changelog

• chore: update config attributes to more self descriptive names (c2eaf04)
• chore(deps): update nest monorepo to v11 (1c20713)
• feat: order of reading variables, add skip predefined (c53c63c)

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