update ci (#709)

Author: greg-rychlewski

.github/workflows/ci.yml

@@ -10,10 +10,10 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - elixir: 1.17.2
-            otp: 25.0.4
-          - elixir: 1.17.2
-            otp: 27.0.1
+          - elixir: 1.19.4
+            otp: 26.0.1
+          - elixir: 1.19.4
+            otp: 28.0.1
             lint: lint
     steps:
       - name: Checkout