v0.5.0

Published to PyPI as echo-mem 0.5.0.

Build provenance. This release was built and published by GitHub Actions through PyPI Trusted Publishing, which issues a Sigstore attestation binding the artifact to the workflow that produced it. No API token is involved and nothing is signed by hand.

Verify it yourself:

pip download echo-mem==0.5.0 --no-deps
python -m pip install sigstore

Or read the attestation directly:
https://pypi.org/integrity/echo-mem/0.5.0/echo_mem-0.5.0-py3-none-any.whl/provenance

The publisher recorded there is echo-mem/echo-mem, workflow release.yml.

What changed: see CHANGELOG.md.