Prepare v0.5.0 release

[kwent]

Summary

• document the workflow, status-page, and incident association features in v0.5.0
• backfill missing changelog entries for v0.3.4, v0.4.0, and v0.4.1
• update changelog comparison links for the new release

Validation

• go test ./...
• git diff --check

[kwent]

@greptileai

[greptile-apps]

Greptile Summary

Prepares the v0.5.0 changelog and backfills release history for v0.3.4 through v0.4.1.

• Documents workflow, status-page, incident-association, and execution-control features.
• Records dependency and security-related changes from recent releases.
• Updates comparison links through v0.5.0.

Confidence Score: 5/5

The documentation-only PR appears safe to merge with no actionable defects identified.

The documented commands, flags, fixes, dependency version, and historical comparison boundaries align with the repository; v0.5.0 links become resolvable as part of the expected tag-driven release process.

Important Files Changed

Filename	Overview
CHANGELOG.md	Adds accurate release notes for v0.3.4–v0.5.0 and updates comparison links consistently with the release sequence.

_{Reviews (1): Last reviewed commit: "prepare v0.5.0 release" | Re-trigger Greptile}