use elixir 1.18.1

Author: artemeff

.github/workflows/ci.yml

@@ -17,7 +17,7 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - elixir: "1.17.3"
+          - elixir: "1.18.1"
             otp: "27.1"
             lint: lint
           - elixir: "1.17.3"