fix: responseCheck throwing internal error (#2395)

[chamsou123]

PR Checklist

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

When employing the HttpHealthIndicator.responseCheck health indicator, if there's a network error detected in the checked URL, the system fails to handle it appropriately, leading to the health check route throwing a 500 internal error.

Issue Number: #2395

What is the new behavior?

The system now appropriately handles network errors, ensuring that the health check route no longer results in a 500 internal error.

Does this PR introduce a breaking change?

• Yes
• No

Other information

[BrunnerLivio]

Appreciate it @chamsou123 , will release right away!

[BrunnerLivio]

Released with v10.2.1 🎉