chore(release): release ant-node from main -> 0.14.3

[jacderida]

Releases ant-node code already on main at version: 0.14.3.

• bumps [package].version in the root Cargo.toml
• regenerates Cargo.lock

Once merged, the release tag will be pushed on the merged main commit
to fire the release workflow:

• v<version> publishes ant-node to crates.io AND builds the ant-node
  binary GitHub release. That release becomes "latest" and drives the
  running fleet's auto-upgrader — tag only after explicit approval.

[Copilot]

Pull request overview

Releases the current main state of ant-node as version 0.14.3 by updating the crate version metadata and aligning the lockfile entry.

Changes:

• Bumped ant-node crate version from 0.14.2 to 0.14.3 in Cargo.toml.
• Regenerated/updated Cargo.lock so the ant-node package entry matches 0.14.3.

Reviewed changes

Copilot reviewed 1 out of 2 changed files in this pull request and generated no comments.

File	Description
Cargo.toml	Updates the crate version to 0.14.3 for the release.
Cargo.lock	Updates the lockfile’s ant-node package version to 0.14.3.

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