Update dependencies

[ejc123]

I updated the dependencies to the latest versions.

The package rebar3_lfe_compile moved to rebar3_lfe github repo so I changed that dependency and updated it.

I tested it with one exercise (hamming) as I was unable to get make test to work so I updated the dependencies and was able to successfully run the tests. All the config files look the same so I think it should work with all the others.

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[ErikSchierboom]

Thanks for working on this! Two things need to happen before this can be merged:

1. The test runner needs to be updated to support the new packages, ideally remaining backwards compatible with old solutions
2. Add the rebase file(s?) as invalidator files. Currently,, the rebar.config (and rebar.lock) file changes won't prompt students to update their solutions, as it is not listed in the exercise's files in the .meta/config.json file. For files that are not shown to the student but should still influence up-to-date checks, we have an files.invalidator field.

I would recommend creating a separate PR adding the rebar.config file of each exercise to the files.invalidator field in each exercise's .meta/config.json file. I don't know if it makes sense to alow have the rebar.lock file in there, but probably not I guess.

See https://github.com/exercism/fsharp/pull/1101/files for an example PR.

[ejc123]

As I look into this more, the more I see that's outdated. The Docker image is erlang:19.3.6.13 which is not even on the list of supported images anymore. I am willing to put the effort into updating everything and making separate PRs for different aspects.
I am running the latest versions of erlang, lfe, and rebar3. I can also update the documentation as needed to reflect new versions.
I only started on this because rebar3 was failing while trying to compile 😄

[ErikSchierboom]

I am willing to put the effort into updating everything and making separate PRs for different aspects.
I am running the latest versions of erlang, lfe, and rebar3. I can also update the documentation as needed to reflect new versions.

That would be brilliant!

I only started on this because rebar3 was failing while trying to compile 😄

Down the rabbit hole!

[ErikSchierboom]

Note: exercism/lfe-test-runner#51 should be merged first.

[ErikSchierboom]

Thanks!