qt5: don't build tests.

Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>
qt5: fix optionally building docs.

Closes #25414.

Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>
qt: tweak docs arg formatting.
brew-test-bot: check requirements default_formulae

With this brew-test-bot doesn't skip builds, if a requirement isn't
satisfied but a default_formula is specified.

This default_formula is already in dependencies, because of brew deps.

Closes #25398.

Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>
chromedriver 2.8

Closes #25421.

Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>
signing-party: optionally avoid conflicting with Mutt

Mutt installs its own private copy of pgpring.  Provide an option to
rename signing-party's to pgppubring to avoid conflicting with Mutt's.
This is the same way that FreeBSD's signing-party port works around
the conflict.

Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>
mutt: don't conflict with non-conflicting signing-party

Mutt can coexist with signing-party if signing-party is brewed
with the --with-rename-pgpring option.

Closes #25382.

Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>
mutt: fix/reverse signing-party conflicts logic.