docs: add v0.1.2 changelog entry

[bilby91]

Summary

Documents the BuildKit-switch / pre-pull / tar-symlink fix bundle (#47), the useruid frontend-directive drop (#48), the BuildCompletedEvent.DurationMs fix (#46), and the dependabot CI bumps (#40, #41, #42) under their respective Keep a Changelog sections.

After merge, tag with git tag v0.1.2 && git push origin v0.1.2 (matching the v0.1.1 workflow).

Test plan

• CHANGELOG.md renders correctly (sections + link references at the bottom)
• [Unreleased] and [0.1.2] compare links updated

🤖 Generated with Claude Code

Summary by CodeRabbit

• Bug Fixes

  • Enhanced Docker image builds with improved context and image handling
  • Fixed event tracking to include accurate timing data
  • Improved Dockerfile generation reliability

• Chores

  • Updated CI GitHub Action versions

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Organization UI

Review profile: CHILL

Plan: Pro

Run ID: 2fd40770-961c-4c55-b54b-41066280ea44

📥 Commits

Reviewing files that changed from the base of the PR and between 40bdaa2 and 9b652a9.

📒 Files selected for processing (1)

• CHANGELOG.md

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📝 Walkthrough

Walkthrough

This PR documents the v0.1.2 release with fixes across Docker image building (BuildKit, image pre-pull, symlink preservation), generated Dockerfile handling (syntax directive removal and prevention), event duration measurement, and CI tooling updates. Release comparison links are added to track the release and future changes.

Changes

v0.1.2 Release Documentation

Layer / File(s)

Summary

v0.1.2 release notes and comparison links CHANGELOG.md

Release section documents fixes for Docker BuildKit mode, symlink preservation in build context, removal of # syntax=docker/dockerfile:1.4 directive from generated Dockerfiles with guards to prevent reintroduction, and BuildCompletedEvent.DurationMs population using measured timings. CI/build subsection lists GitHub Action version bumps. Release comparison links updated to mark v0.1.2 and compare Unreleased changes against it.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~3 minutes

Possibly related PRs

• crunchloop/devcontainer#48: Modifies useruid Dockerfile generation logic by removing the # syntax=docker/dockerfile:1.4 directive and adding a guard to prevent reintroduction, which is documented in this changelog entry.

Poem

🐰 A changelog hops into the light,
v0.1.2 shines so bright,
Docker builds with BuildKit's flair,
Durations tracked with utmost care,
Links now point the way up high! 🎉

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The pull request title clearly and concisely summarizes the main change: adding a changelog entry for v0.1.2, which matches the file changes and PR objectives.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

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✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch release/v0.1.2

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