zile 2.4.11

Update to latest stable release, add pkg-config and help2man
dependencies, use HTTPS on homepage and mirror, change single quotes
to double.

Closes #29925.

Signed-off-by: Jack Nagel <jacknagel@gmail.com>
zile: add 2.4.11 bottle.
zile: update deps

help2man is a build-time dependency, and gettext is unused here.