Update deps and fix 2 warnings

[vanjacosic]

• Updated dependencies and ran tests ✅

• Fixed the following compile warning re. deprecation of push_redirect/2:

  ==> broadway_dashboard
  Compiling 7 files (.ex)
      warning: Phoenix.LiveView.push_redirect/2 is deprecated. Use push_navigate/2 instead
      │
   97 │             {:ok, push_redirect(socket, to: to)}
      │                   ~
      │
      └─ lib/broadway_dashboard.ex:97:19: BroadwayDashboard.mount/3
  

• Fixed the following Dialyzer warning about an 'unknown type':

  lib/broadway_dashboard/pipeline_graph.ex:19:72:unknown_type
  Unknown type: BroadwayDashboard.LiveDashboard.LayeGraphComponent.layer/0.
  

  Seems to have been an old typo that was never caught.

I ran tests and mix dev multiple times and everything seems to work, but please double check 😅

[philss]

@vanjacosic thanks for this! I think we need to bump the minimum Elixir version for this to work. Can you take a look?

[vanjacosic]

@philss Done 😊

Macro.Env.lookup_import/2 was introduced in 1.13, so I tested with locally with Elixir 1.13.4 and Erlang 24.3.4.17 and that worked.
So I bumped the minimum to 1.13, which also brings this project in line with phoenix_live_view, floki and ex_doc.