fixed a bug when using one register for several middleware

[roma-frolov]

Description

If you use one register for several middleware, then a metric registration conflict occurs.

Error:

ValueError: Duplicated timeseries in CollectorRegistry: {'faststream_received_messages_created', 'faststream_received_messages', 'faststream_received_messages_total'}

The error occurs here when trying to register a duplicate metric into a register

Type of change

• [x] Bug fix (a non-breaking change that resolves an issue)

Checklist

• [x] My code adheres to the style guidelines of this project (scripts/lint.sh shows no errors)
• [x] I have conducted a self-review of my own code
• [x] I have made the necessary changes to the documentation
• [x] My changes do not generate any new warnings
• [x] I have added tests to validate the effectiveness of my fix or the functionality of my new feature
• [x] Both new and existing unit tests pass successfully on my local environment by running scripts/test-cov.sh
• [x] I have ensured that static analysis tests are passing by running scripts/static-analysis.sh
• [x] I have included code examples to illustrate the modifications

[Lancetnik]

I think, we shouldn't rash with this PR and take a break to discuss the problem

[Lancetnik]

@draincoder can you help us here?