fix(microservices): correct pub/sub client type in redis listeners

[zaewc]

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: #17330

What is the new behavior?

Index 0 is labeled 'sub' and index 1 is labeled'pub', matching on() and ClientRedis. Added a regression test that fails without the fix

Does this PR introduce a breaking change?

• Yes
• No

Other information

[coveralls]

Coverage Report for CI Build 917

Coverage decreased (-0.003%) to 90.297%

Details

• Coverage decreased (-0.003%) from the base build.
• Patch coverage: 1 of 1 lines across 1 file are fully covered (100%).
• No coverage regressions found.

Uncovered Changes

No uncovered changes found.

Coverage Regressions

No coverage regressions found.

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Coverage Stats

Relevant Lines:	8657
Covered Lines:	7817
Line Coverage:	90.3%
Relevant Branches:	2949
Covered Branches:	2404
Branch Coverage:	81.52%
Branches in Coverage %:	No
Coverage Strength:	56.63 hits per line

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💛 - Coveralls