* Dockerfile: pin elixir-1.14.3, erlang-25.2.3, alpine-3.17.0

* asdf: pin erlang 25.2.3, elixir 1.14.3-otp-25

* Remove nonsense

* Remove erlang dupe

* Remove erlang, it's in the base image already

* Remove empty file

* Truncate seconds in NaiveDateTime instances

* Bump cache key

* Mitigate Error:error:0308010C:digital envelope routines::unsupported

See: https://www.newline.co/@kchan/how-to-fix-the-error-errorerror0308010cdigital-envelope-routinesunsupported--0f8d3f17

* Upgrade to latest alpine image and pin to an exact digest

* Revert "Upgrade to latest alpine image and pin to an exact digest"

This reverts commit cdf6624efabce0a630a00c60aba2c6b975ca399f.

* Pin alpine image to an exact digest

---------

Co-authored-by: Cenk Kücük <c@cenk.me>