chruby: suggest appending to RUBIES in caveats.

Closes #34400.

Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>
chruby 0.3.9

Closes #34401.

Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>
formula_installer: don't always post_install.

We don't want to do so when building bottles or we can end up with some weird stuff being bottled unintentionally (and it'll run twice; once before bottling, once afterwards).

Fixes #34349.

Closes #34397.

Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>
gecode 4.3.2

Closes #34407.

Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>
gecode: add 4.3.2 bottle.
clamav 0.98.5

Version bump, fixed head, new optional dependency, moves the
sysconf dir to a directory inside HOMEBREW_PREFIX/etc to make it a
little tidier, adds some caveats to explain clamav’s confusing error
messages on initial run. Adds a test.
clamav: update 0.98.5 bottle.