Don't build an initially codesgined binary on GitHub Actions

Merge pull request #589 from machawk1/update-heritrix-3.7

Update to Heritrix 3.7 (mitigate remote hanging up on bulk push)

Adjust and optimize DMG building for macOS

Merge pull request #417 from machawk1/issue-416

Reverse logic for memgator communication thread spawn to exclude

Update version for release

Update version

Update to memgator-rc5

Bump version.

Tie-in with dmgbuild for #213

Update version, which is basis in code. Closes #225.