Bump version to 4.0.0

[mcharytoniuk]

No description provided.

[Copilot]

Pull request overview

This PR bumps the project’s release version to 4.0.0 across the Rust workspace and both client SDKs (Python + JavaScript), and updates the Docker Compose example and relevant lockfiles to match.

Changes:

• Update Rust workspace/package versions and workspace path dependency versions to 4.0.0.
• Update Python (pyproject.toml) and JavaScript (package.json) client package versions to 4.0.0 (plus corresponding lockfile updates).
• Update the Docker Compose example image tag to paddler:v4.0.0.

Reviewed changes

Copilot reviewed 4 out of 6 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
paddler_client_python/pyproject.toml	Bumps Python client package version to 4.0.0.
paddler_client_javascript/package.json	Bumps JS/TS client package version to 4.0.0.
package-lock.json	Updates workspace package version for the JS client to 4.0.0.
example/compose.yaml	Updates example Docker image tag to v4.0.0.
Cargo.toml	Bumps Rust workspace version and internal workspace dependency versions to 4.0.0.
Cargo.lock	Updates lockfile entries consistent with the 4.0.0 bump / lock regeneration.

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