Drop Elixir 1.14 support

Author: wilbertliu

.github/workflows/ci.yml

@@ -20,20 +20,15 @@ jobs:
     # because erlef/setup-beam@v1 doesn't support it.
     strategy:
       matrix:
-        elixir-version: ["1.14.x", "1.15.x", "1.16.x", "1.17.x", "1.18.x"]
+        elixir-version: ["1.15.x", "1.16.x", "1.17.x", "1.18.x"]
         otp-version: ["24.x", "25.x", "26.x", "27.x"]
         exclude:
           # Elixir 1.17 and 1.18 don't support OTP 24
           - elixir-version: "1.17.x"
             otp-version: "24.x"
           - elixir-version: "1.18.x"
             otp-version: "24.x"
-          # Elixir 1.14 doesn't support OTP 26
-          - elixir-version: "1.14.x"
-            otp-version: "26.x"
-          # Elixir 1.14, 1.15, and 1.16 don't support OTP 27
-          - elixir-version: "1.14.x"
-            otp-version: "27.x"
+          # Elixir 1.15 and 1.16 don't support OTP 27
           - elixir-version: "1.15.x"
             otp-version: "27.x"
           - elixir-version: "1.16.x"

mix.exs

@@ -8,7 +8,7 @@ defmodule Poodle.MixProject do
     [
       app: :poodle,
       version: @version,
-      elixir: "~> 1.14",
+      elixir: "~> 1.15",
       start_permanent: Mix.env() == :prod,
       deps: deps(),
       description: description(),