Add release metadata for OpenQC provenance gate

[newtontech]

Fixes #87

Summary

• Add VERSION for the current 0.4.4 release surface.
• Add a 0.4.4 CHANGELOG entry and release metadata pointers to lsp-capabilities.json.
• Fix scripts/format.sh target discovery so the required local format gate can run.

Test Plan

• make format
• make lint
• make typecheck
• PYTHONPATH=src make test (1019 passed, 1 warning)
• PYTHONPATH=src make check (1019 passed, 1 warning)
• make install blocked on this macOS Homebrew Python by PEP 668 externally-managed-environment; CI should install in an isolated runner.

Tag follow-up

After merge, create and push v0.4.4 on the merge commit to clear the remaining OpenQC No git tags found warning.