Changelog update - v5.0.1

[ChrisCarini]

Current pull request contains patched CHANGELOG.md file for the v5.0.1 version.

[Copilot]

Pull Request Overview

This PR updates the CHANGELOG.md to add the new v5.0.1 release entry and adjust the comparison links accordingly.

• Introduces a ## [5.0.1] - 2025-07-06 section with its “Changed” items
• Removes the IntelliJ upgrade notes from the preamble and places them under the new release
• Updates the [Unreleased] and adds a [5.0.1] comparison link

Comments suppressed due to low confidence (1)

CHANGELOG.md:9

• [nitpick] The ### Changed section at the top is now empty after moving its entries into the 5.0.1 section; consider removing this empty header or explicitly marking it as part of ‘Unreleased’ if that was its intended purpose.

### Changed