fix(core): change repl() function param type to Type | DynamicModule

[CodyTseng]

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?

Issue Number: #10494

What is the new behavior?

repl() function can accept DynamicModule type parameter.

Does this PR introduce a breaking change?

• Yes
• No

Other information

[coveralls]

Pull Request Test Coverage Report for Build 8de21cb7-bd15-4791-aa10-a3f39d112a39

• 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 93.788%

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Totals
Change from base Build 429b8255-55d8-42a4-b8d8-82bc75f526f4:	0.0%
Covered Lines:	6115
Relevant Lines:	6520

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💛 - Coveralls

[kamilmysliwiec]

lgtm