chore(release): sync versions to 0.9.416 [skip release]

[github-actions]

Automated write-back from auto-tag.yml: v0.9.416 was just released, and this PR records that version everywhere the sources carry one —

• [workspace.package].version in Cargo.toml (inherited by every crate)
• the workspace-member entries in Cargo.lock
• packaging/homebrew/stella.rb (build-from-source formula)
• CHANGELOG.md — whatever was under [Unreleased] now sits under [0.9.416]

The workflow approves this PR's parked workflow runs, waits for the required checks, and merges once they are green (#5589). No action is needed unless a check fails.

Summary by Sourcery

Chores:

• Synchronize workspace, lockfile, Homebrew formula, and changelog version metadata to 0.9.416.

[sourcery-ai]

Reviewer's guide (collapsed on small PRs)

Reviewer's Guide

This automated release write-back records version 0.9.416 across the Cargo workspace and lockfile, Homebrew formula, and changelog, with no functional code changes.

File-Level Changes

Change	Details	Files
Synchronize the workspace release version and lockfile metadata to 0.9.416.	Update the inherited workspace package version. Refresh workspace-member versions in the lockfile.	Cargo.toml Cargo.lock
Update the Homebrew source formula to build the 0.9.416 release.	Point the formula tag and declared version at v0.9.416.	packaging/homebrew/stella.rb
Finalize the changelog entry for the new release.	Move the content previously under Unreleased into the 0.9.416 section.	CHANGELOG.md

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[sourcery-ai]

Hey - I've reviewed your changes and they look great!

Sourcery assessment

Approved.

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