2024-08 report does not render

It seems that /reports/2024-08 does not render, although AFAIK it should.

I tried a few things and nothing seems to make it appear, despite:

mattia@warren ~/devel/reproducible/website (git)-[master] % jekyll build --verbose 2>&1|grep 2024-08
           Reading: _reports/2024-08.md
           Reading: _reports/2024-08.md
         Rendering: _reports/2024-08.md
  Pre-Render Hooks: _reports/2024-08.md
  Rendering Markup: _reports/2024-08.md
Post-Convert Hooks: _reports/2024-08.md
  Rendering Layout: _reports/2024-08.md
         Rendering: _reports/2024-08.md
  Pre-Render Hooks: _reports/2024-08.md
  Rendering Markup: _reports/2024-08.md
Post-Convert Hooks: _reports/2024-08.md
  Rendering Layout: _reports/2024-08.md
jekyll build --verbose 2>&1  22.88s user 0.68s system 192% cpu 12.240 total
grep --color=auto 2024-08  0.02s user 0.05s system 0% cpu 12.240 total
mattia@warren ~/devel/reproducible/website (git)-[master] % vim _reports/2024-08.md 

Reported on IRC by @bmwiedemann-guest