Upgrade Ecto to v3.6.2, remove deprecated ecto_explain
Upgrades Ecto to the latest version.
The unmaintained ecto_explain dep is no longer necessary because Ecto now implements this exact same functionality in Repo.explain/3.
Upgrades Ecto to the latest version.
The unmaintained ecto_explain dep is no longer necessary because Ecto now implements this exact same functionality in Repo.explain/3.