chore: bump version 2.4.0

[piotr-iohk]

Bump version to 2.4.0 (build 194) for release.

Description

• CURRENT_PROJECT_VERSION: 193 → 194 → 195
• MARKETING_VERSION: 2.3.2 → 2.4.0

Screenshot / Video

N/A

Made with Cursor

[greptile-apps]

Greptile Summary

This PR prepares the 2.4.0 release metadata. The main changes are:

• Bump the app, widget, and notification extension to version 2.4.0, build 194.
• Consolidate pending fragments into the 2.4.0 changelog section.
• Update release comparison links and remove consumed fragments.

Confidence Score: 5/5

This looks safe to merge.

• No blocking issues found in the changed code.
• Version values are consistent across the changed targets and configurations.
• The changelog structure and consumed fragments match the release workflow.

Important Files Changed

Filename	Overview
Bitkit.xcodeproj/project.pbxproj	Updates the main app and extension version settings in both build configurations.
CHANGELOG.md	Adds the 2.4.0 release notes and advances the release comparison links.

_{Reviews (1): Last reviewed commit: "chore: version 2.4.0" | Re-trigger Greptile}