chore: release v0.5.1

[fergusfinn]

🤖 New release

• outlet-postgres: 0.5.0 -> 0.5.1 (✓ API compatible changes)

Changelog

0.5.1 - 2026-03-11

Other

• release v0.5.0 (#62)

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[Copilot]

Pull request overview

This PR is a release-plz-generated bump to publish outlet-postgres v0.5.1, updating crate metadata and the changelog to reflect the new version.

Changes:

• Bump crate version from 0.5.0 to 0.5.1 in Cargo.toml
• Update Cargo.lock to reflect the new package version
• Add a 0.5.1 section to CHANGELOG.md

Reviewed changes

Copilot reviewed 2 out of 3 changed files in this pull request and generated 1 comment.

File	Description
Cargo.toml	Updates crate version to 0.5.1.
Cargo.lock	Updates the locked package entry version to 0.5.1.
CHANGELOG.md	Adds a 0.5.1 changelog entry.

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[Copilot]

The 0.5.1 changelog entry lists "release v0.5.0" and links to PR #62. That looks inconsistent with this release (v0.5.1) and makes it unclear what changed in 0.5.1. Suggest updating/removing this bullet so the 0.5.1 section describes changes since v0.5.0 (or explicitly notes no functional changes) and references the correct PR/version.