chore: update CI config

Author: davidjulien

.github/workflows/ci.yml

@@ -11,11 +11,8 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        otp: ["23.x", "24.x", "25.x"]
-        elixir: ["1.12.x", "1.13.x", "1.14.x"]
-        exclude:
-          - elixir: 1.12.x
-            otp: 25.x
+        otp: ["25.x", "26.x", "27.x"]
+        elixir: ["1.12.x", "1.13.x", "1.14.x", "1.15.x", "1.16.x", "1.17.x", "1.18.x"]
         include:
           - elixir: 1.15.x
             otp: 24.x
@@ -30,16 +27,16 @@ jobs:
           - elixir: 1.16.x
             otp: 26.x
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - name: Set up Elixir
         uses: erlef/setup-beam@v1
         with:
           elixir-version: ${{ matrix.elixir }}
           otp-version: ${{ matrix.otp }}
         env:
-          ImageOS: ubuntu20
+          ImageOS: ubuntu24
       - name: Restore dependencies cache
-        uses: actions/cache@v2
+        uses: actions/cache@v4
         with:
           path: deps
           key: ${{ runner.os }}-mix-${{ hashFiles('**/mix.lock') }}