Run a pinned Caddy 2.11 in the container #7

What changed from r1 to r2, pushed Oct 19. The branch was rebased, from 8e63d4d onto 3282a99, so a diff of the tips would mix in everything that landed in between. Instead each commit is paired with its earlier version (git range-diff).

3 commits: 2 unchanged, 1 added.

2 unchanged commits

unchanged 2e57308 → 3006d6d Build a pinned Caddy 2.11 for the container

unchanged 7f7d40e → 28dafe3 Drop the scenarios' workarounds for Caddy 2.6

added f1af132 Keep no autosaved Caddy config in the container