Update dependency high_voltage to v4

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
high_voltage	3.1.2 -> 4.0.0

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Release Notes

thoughtbot/high_voltage (high_voltage)

v4.0.0

Compare Source

This project is in maintenance-mode. We’re not actively adding new features, but we’ll fix bugs and keep it up to date, and compatible with the latest Ruby and Rails versions.

Main changes:

• Remove support for EOL'd Rails version 4.2
• Remove support for EOL'd Rails versions 5.x
• Remove support for Travis CI and replaced with Github Actions
• Add support for Rails 7.1
• Add Ruby's minimum version required to >= 3.0

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