formula_installer: bottle against Homebrew Python.
nanopb-generator: add 0.2.7 bottle.
reclass: add 1.3 bottle.
unoconv: add 0.6 bottle.
wxpython: add 3.0.0.0 bottle.

Closes #30229.

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