[py] Copy `acceptInsecureCerts` to Options for Firefox. Fixes #8261

Firefox is incredibly strict here so we need to make sure that we
copy it across. When we can delete
capabilities this can be removed.

Cr-Mirrored-From: https://chromium.googlesource.com/external/github.com/SeleniumHQ/selenium
Cr-Mirrored-Commit: c8709bf5c399d016ebb48043356a8030a66b0129
1 file changed