* ci: add SHA256 checksums to release artifacts
Generate a SHA256SUMS file after downloading all build artifacts and
include it in the GitHub Release. Users can verify download integrity
with `sha256sum -c SHA256SUMS`.
Closes#358
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
* ci: whitelist lxc-ci self-hosted runner label for actionlint
Add actionlint.yaml config to declare lxc-ci as a known custom label
for self-hosted runners, fixing the actionlint CI check.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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Co-authored-by: Claude Opus 4.6 <noreply@anthropic.com>
0e8d02cd3c