feat: Use nest app logger for Terminus per default

[BrunnerLivio]

It will now use the configured NestJS application logger that has been configured with app.useLogger(...)

resolves #2547

PR Checklist

Please check if your PR fulfills the following requirements:

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

PR Type

What kind of change does this PR introduce?

• [ ] Bugfix
• [x] 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?

Issue Number #2547

What is the new behavior?

Does this PR introduce a breaking change?

• [ ] Yes
• [ ] No

Other information