url.Parse adoption from Go 1.25.7

[M0rdecay]

Summary

Since Go 1.26 intentionally does not support the ability to specify multiple hosts in a URL, which is required for HA mode, the Parse function was adopted from Go 1.25.7.

Checklist

Delete items not relevant to your PR:

• Unit and integration tests covering the common scenarios were added
• A human-readable description of the changes was provided to include in CHANGELOG
• For significant changes, documentation in https://github.com/ClickHouse/clickhouse-docs was updated with further explanations or tutorials

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[kavirajk]

thanks for the quick PR @M0rdecay LGTM.