forge-ds builds

Prebuilt forge-ds binaries from doublesharp/foundry. This release's tag does not track the built commit.

• forge-ds-<sha7>_<platform>_<arch>.tar.gz (+ .sha256): one commit, never replaced. Pin these.
• forge-ds_<platform>_<arch>.tar.gz (+ .sha256): latest rolling build; its commit is in forge-ds_latest.txt.

Built by .github/workflows/forge-ds.yml on feature/viair-instrumented-coverage.