Update ci.yml Elixir v1.18.4

Author: nelsonic

.github/workflows/ci.yml

@@ -26,8 +26,8 @@ jobs:
     - name: Set up Elixir
       uses: erlef/setup-beam@v1
       with:
-        elixir-version: '1.14.2' # Define the elixir version [required]
-        otp-version: '25.1.2' # Define the OTP version [required]
+        elixir-version: '1.18.4' # Define the elixir version [required]
+        otp-version: '28.0.1' # Define the OTP version [required]
     - name: Restore dependencies cache
       uses: actions/cache@v4
       with: