feature(microservices): update acceptable types in RabbitMq urls

[capaio]

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
[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: 5587

What is the new behavior?

Does this PR introduce a breaking change?

[ ] Yes
[x ] No

Other information

[coveralls]

Pull Request Test Coverage Report for Build 349c55e8-6a79-4e03-8d68-ca018f09385b

• 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 94.818%

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Totals
Change from base Build e71e44e4-8e59-4613-8899-b4e4a3d5c916:	0.0%
Covered Lines:	4922
Relevant Lines:	5191

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💛 - Coveralls

[kamilmysliwiec]

Can you run the format script?

[capaio]

doing now