Update actions/checkout action to v7 (#4)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Update actions/checkout action to v6.0.3 (#3)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

bump `LATEST_VERSION` [skip ci]

bump `LATEST_VERSION` [skip ci]

Update make-appimage.sh