v0.34.0

This is a major Erlang and Buildroot update.

Please see the nerves_system_br v1.29.0 release notes
for upgrade instructions if you've forked this system.

• Changes

  • Switch to ops.fw for handling revert firmware and similar

• Updated dependencies

  • nerves_system_br v1.29.1
  • Buildroot 2024.08.2