Bump Elixir so we can specify the OTP version

The `1.13.x` `elixir` releases have a single precompiled file. But it's
not clear which OTP release they're compiled against.

The `1.14.x` `elixir` releases have multiple precompiled binaries for
OTP 23, 24, and 25. So we can specify which binary to pull to guarantee
it aligns with the Erlang version we're using.

Dockerfile

@@ -211,17 +211,18 @@ RUN cd /tmp \
 # Install Erlang, Elixir and Hex
 ENV PATH="$PATH:/usr/local/elixir/bin"
 # https://github.com/elixir-lang/elixir/releases
-ARG ELIXIR_VERSION=v1.13.4
-ARG ELIXIR_CHECKSUM=e64c714e80cd9657b8897d725f6d78f251d443082f6af5070caec863c18068c97af6bdda156c3b3390e0a2b84f77c2ad3378a42913f64bb583fb5251fa49e619
-ARG ERLANG_VERSION=1:24.2.1-1
+ARG ELIXIR_VERSION=v1.14.1
+ARG ELIXIR_CHECKSUM=610b23ab7f8ffd247a62b187c148cd2aa599b5a595137fe0531664903b921306
+ARG ERLANG_MAJOR_VERSION=24
+ARG ERLANG_VERSION=1:${ERLANG_MAJOR_VERSION}.2.1-1
 RUN curl -sSLfO https://packages.erlang-solutions.com/erlang-solutions_2.0_all.deb \
   && dpkg -i erlang-solutions_2.0_all.deb \
   && apt-get update \
   && apt-get install -y --no-install-recommends esl-erlang=${ERLANG_VERSION} \
-  && curl -sSLfO https://github.com/elixir-lang/elixir/releases/download/${ELIXIR_VERSION}/Precompiled.zip \
-  && echo "$ELIXIR_CHECKSUM  Precompiled.zip" | sha512sum -c - \
-  && unzip -d /usr/local/elixir -x Precompiled.zip \
-  && rm -f Precompiled.zip erlang-solutions_2.0_all.deb \
+  && curl -sSLfO https://github.com/elixir-lang/elixir/releases/download/${ELIXIR_VERSION}/elixir-otp-${ERLANG_MAJOR_VERSION}.zip \
+  && echo "$ELIXIR_CHECKSUM  elixir-otp-${ERLANG_MAJOR_VERSION}.zip" | sha256sum -c - \
+  && unzip -d /usr/local/elixir -x elixir-otp-${ERLANG_MAJOR_VERSION}.zip \
+  && rm -f elixir-otp-${ERLANG_MAJOR_VERSION}.zip erlang-solutions_2.0_all.deb \
   && mix local.hex --force \
   && rm -rf /var/lib/apt/lists/*