Drop support for Elixir versions < 1.15 and OTP < 25

Author: marcelotto

.github/workflows/elixir-build-and-test.yml

@@ -18,10 +18,6 @@ jobs:
     strategy:
       matrix:
         include:
-          - pair:
-              elixir: 1.14.5
-              otp: 24.3
-            build-flags: --warnings-as-errors
           - pair:
               elixir: 1.15.7
               otp: 25.3

CHANGELOG.md

@@ -7,6 +7,8 @@ This project adheres to [Semantic Versioning](http://semver.org/) and
 
 ## Unreleased
 
+Elixir versions < 1.15 and OTP versions < 25 are no longer supported.
+
 ### Changed
 
 - Replace `RDF.Data` protocol implementation with new `RDF.Data.Source` protocol

mix.exs

@@ -9,7 +9,7 @@ defmodule RTC.MixProject do
     [
       app: :rtc,
       version: @version,
-      elixir: "~> 1.14",
+      elixir: "~> 1.15",
       start_permanent: Mix.env() == :prod,
       elixirc_paths: elixirc_paths(Mix.env()),
       deps: deps(),