Skip connection refused to allow checking from different host in a Cassandra cluster

[dmilcevski]

This pull request is needed for the pull request created in the nagios-plugins repository. It allows for skipping connection refuse from one host as long as other hosts can be reached using nodetool.

[ghost]

Warnings are found on analyzing the commit a9cf8faa82e436aef4951afb2356a0c2cfee6e8b.

3 warnings:

• ⚠️ GolangCI-Lint
• ⚠️ Goodcheck
• ⚠️ hadolint

We recommend to address them as possible, for example, update outdated dependencies, fix the tool's configuration, configure sider.yml, turn off unused tools, and so on.

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