chore: bump version to 2.2.0-alpha.1

[tobyhede]

Summary

• Bump workspace version to 2.2.0-alpha.1
• Bump cipherstash-proxy package version to 2.2.0-alpha.1
• Update CHANGELOG.md for 2.2.0-alpha.1

Post-merge

After merge, tag and release from main:

mise run release v2.2.0-alpha.1

Summary by CodeRabbit

• Changed
  • Version updated to 2.2.0-alpha.1 (alpha release)
  • Changelog updated with release entry 2.2.0-alpha.1 (2026-03-25)
  • Log target renamed: KEYSET → ZEROKMS
  • Environment variable CS_LOG__KEYSET_LEVEL renamed to CS_LOG__ZEROKMS_LEVEL — update your configuration accordingly

[coderabbitai]

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ℹ️ Review info

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Pro

Run ID: b931e234-e2df-49ea-8409-0e8af9faacba

📥 Commits

Reviewing files that changed from the base of the PR and between e95577a and 6654068.

⛔ Files ignored due to path filters (1)

• Cargo.lock is excluded by !**/*.lock

📒 Files selected for processing (3)

• CHANGELOG.md
• Cargo.toml
• packages/cipherstash-proxy/Cargo.toml

📝 Walkthrough

Walkthrough

The PR bumps workspace and crate versions to 2.2.0-alpha.1 and adds a CHANGELOG release entry documenting a log target rename KEYSET → ZEROKMS and environment variable rename CS_LOG__KEYSET_LEVEL → CS_LOG__ZEROKMS_LEVEL.

Changes

Cohort / File(s)	Summary
Version Updates Cargo.toml, packages/cipherstash-proxy/Cargo.toml	Updated workspace package version and cipherstash-proxy crate version from 2.1.x → 2.2.0-alpha.1.
Release Documentation CHANGELOG.md	Added [2.2.0-alpha.1] - 2026-03-25 entry under Unreleased; documented log target rename (KEYSET → ZEROKMS) and env var rename (CS_LOG__KEYSET_LEVEL → CS_LOG__ZEROKMS_LEVEL).

Estimated code review effort

🎯 2 (Simple) | ⏱️ ~10 minutes

Possibly related PRs

• Additional logging for ZeroKMS integration #370: Implements and documents the KEYSET → ZEROKMS log target and environment variable rename referenced in this changelog entry.
• chore: bump version to 2.1.21 #365: Related release/version-bump changes updating workspace and crate versions consistent with this PR.

Poem

🐰 I hopped a version up today,
Alpha bells in springtime play,
KEYSET renamed to ZEROKMS bright,
Env vars follow — snug and right,
A tiny hop, release in sight. 🌱🐇

🚥 Pre-merge checks | ✅ 3

✅ Passed checks (3 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title accurately and concisely summarizes the main change: bumping the version to 2.2.0-alpha.1, which is confirmed by all three modified files (Cargo.toml, packages/cipherstash-proxy/Cargo.toml, and CHANGELOG.md).
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

_{✏️ Tip: You can configure your own custom pre-merge checks in the settings.}

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch release/2.2.0-alpha.1

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[freshtonic]

@tobyhede looks like you need to run a build then also commit the lock file

[coderabbitai]

Caution

Some comments are outside the diff and can’t be posted inline due to platform limitations.

⚠️ Outside diff range comments (1)

CHANGELOG.md (1)

252-252: ⚠️ Potential issue | 🟡 Minor

Update version link references.

The [Unreleased] comparison link should point to the newly released version v2.2.0-alpha.1 instead of v2.1.20, and a new link reference for [2.2.0-alpha.1] should be added.

🔗 Proposed fix to add missing version links

-[Unreleased]: https://github.com/cipherstash/proxy/compare/v2.1.20...HEAD
+[Unreleased]: https://github.com/cipherstash/proxy/compare/v2.2.0-alpha.1...HEAD
+[2.2.0-alpha.1]: https://github.com/cipherstash/proxy/compare/v2.1.22...v2.2.0-alpha.1
+[2.1.22]: https://github.com/cipherstash/proxy/compare/v2.1.21...v2.1.22
 [2.1.20]: https://github.com/cipherstash/proxy/releases/tag/v2.1.20

🤖 Prompt for AI Agents

Verify each finding against the current code and only fix it if needed.

In `@CHANGELOG.md` at line 252, Update the CHANGELOG link reference for
[Unreleased] to compare v2.2.0-alpha.1...HEAD instead of v2.1.20 and add a new
link reference entry for [2.2.0-alpha.1] that points to the appropriate tag
comparison (e.g., v2.1.20...v2.2.0-alpha.1 or the repo tag URL), making sure the
link text “[Unreleased]” and the new “[2.2.0-alpha.1]” reference are
added/updated so the markdown link references resolve correctly.

🤖 Prompt for all review comments with AI agents

Verify each finding against the current code and only fix it if needed.

Outside diff comments:
In `@CHANGELOG.md`:
- Line 252: Update the CHANGELOG link reference for [Unreleased] to compare
v2.2.0-alpha.1...HEAD instead of v2.1.20 and add a new link reference entry for
[2.2.0-alpha.1] that points to the appropriate tag comparison (e.g.,
v2.1.20...v2.2.0-alpha.1 or the repo tag URL), making sure the link text
“[Unreleased]” and the new “[2.2.0-alpha.1]” reference are added/updated so the
markdown link references resolve correctly.

---

ℹ️ Review info

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Pro

Run ID: 1618b54f-9a53-4788-8890-0c3bd9901584

📥 Commits

Reviewing files that changed from the base of the PR and between 5103ece and 768a34e.

📒 Files selected for processing (3)

• CHANGELOG.md
• Cargo.toml
• packages/cipherstash-proxy/Cargo.toml