feat: update to latest elixir and erlang

.formatter.exs

@@ -0,0 +1,4 @@
+[
+  inputs: ["{mix,.formatter}.exs", "{config,lib,test}/**/*.{ex,exs}"],
+  line_length: 120
+]

.github/workflows/ci.yml

@@ -0,0 +1,35 @@
+name: CI
+
+on:
+  push:
+    branches: [master]
+  pull_request:
+    branches: [master]
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    env:
+      MIX_ENV: test
+    steps:
+      - uses: actions/checkout@v5
+
+      # Elixir/Erlang versions are read from .tool-versions
+      - uses: erlef/setup-beam@v1
+        with:
+          version-file: .tool-versions
+          version-type: strict
+
+      - uses: actions/cache@v4
+        with:
+          path: |
+            deps
+            _build
+          key: ${{ runner.os }}-mix-${{ hashFiles('.tool-versions', 'mix.lock') }}
+          restore-keys: ${{ runner.os }}-mix-
+
+      - run: mix deps.get
+
+      - run: mix compile --warnings-as-errors
+
+      - run: mix test

.tool-versions

@@ -0,0 +1,2 @@
+elixir 1.20.2
+erlang 29.0

README.md

@@ -1,6 +1,6 @@
 # CompilerCache
 
-[![Build Status](https://travis-ci.org/arjan/decorator.png?branch=master)](https://travis-ci.org/arjan/compiler_cache)
+[![CI](https://github.com/arjan/compiler_cache/actions/workflows/ci.yml/badge.svg)](https://github.com/arjan/compiler_cache/actions/workflows/ci.yml)
 [![Hex pm](http://img.shields.io/hexpm/v/compiler_cache.svg?style=flat)](https://hex.pm/packages/compiler_cache)
 
 
@@ -34,7 +34,7 @@ The `create_ast/2` function must return an `{ast, opts}` tuple. The opts are the
 This cache can then be called like this:
 
 ```elixir
-{:ok, _} = MyExpressionCache.start_link()
+{:ok, _} = MyExpressionCache.start_link([])
 iex> MyExpressionCache.execute("1 + 1", nil)
 2
 iex> MyExpressionCache.execute("2 * input", 3)

VERSION

@@ -1 +1 @@
-1.2.1
+2.0.0

config/config.exs

@@ -1 +1 @@
-use Mix.Config
+import Config