SimpleTOC 7.0.7
Fixes #84.\n\n- Fix invalid frontend TOC list markup when headings excluded by min/max level appear between included headings.\n- Tested on marctv.test with min_level=2 and max_level=3: balanced ul/li markup and no stray li siblings.\n- WordPress.org deploy completed successfully: https://github.com/mtoensing/simpletoc/actions/runs/25991318692