v1.13.0

Adds support for Elixir 1.17 and OTP 27. This now requires
Elixir 1.13 as the minimum supported version

• New project generator updates
  • Adjust vm.args.eex to support Elixir 1.17 changes
  • Synchronized to match the Elixir mix new generated content
  • Removes the generated target/0 function in favor of Nerves.Runtime.mix_target()
  • Generated mix.exs now uses the current Elixir version in use
    as the required version for the newly generated project
  • Various dependency updates