Support Elixir 1.19/OTP 28 and bump actions

Author: kianmeng

.github/workflows/ci.yml

@@ -8,22 +8,22 @@ on:
 
 jobs:
   test:
-    runs-on: ubuntu-22.04
+    runs-on: ubuntu-24.04
     env:
       MIX_ENV: test
     strategy:
       fail-fast: false
       matrix:
         include:
           - pair:
-              elixir: 1.14
-              otp: 24.2
+              elixir: "1.14"
+              otp: "24"
           - pair:
-              elixir: 1.18
-              otp: 27.3
+              elixir: "1.19"
+              otp: "28"
             lint: lint
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
 
       - uses: erlef/setup-beam@v1
         with: