dependency_collector: use ArgumentError exception.

Avoids errors with `brew versions` when bottling.

References #27615.
pebble-sdk 2.0.2

- added pypng resource
- removed the dependency from virtualenv
pebble-sdk: add 2.0.2 bottle.

Closes #27740.

Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>
lighttpd 1.4.35
lighttpd: add 1.4.35 bottle.

Closes #27615.

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