chore(release): v0.3.0

[github-actions]

[0.3.0] — 2026-07-05

Added

• add automated release workflows (feat: add automated release workflows #46) (67d8bff)

Fixed

• use the last CCN average in multi-file lizard XML reports (bc3dbbf)
• bump fast-xml-parser to v5 and fix ambient-env test gap in report action (16d03de)

[tbjers]

Closed because this branch's commit was created via a plain git commit in the runner, which main's signed-commits requirement rejects (confirmed unsigned via the API). Fixed in #48 by creating the commit via GitHub's GraphQL API instead. Deleting the release/v0.3.0 branch.