Update CI'ed elixir and OTP versions 1.19@OTP 28.4 (#4706)

Author: PragTob

.github/workflows/ci.yml

@@ -19,9 +19,11 @@ jobs:
       fail-fast: false
       matrix:
         include:
+          - elixir: "1.19.5"
+            otp: "28.4"
+            lint: lint
           - elixir: "1.18.1"
             otp: "27.2"
-            lint: lint
           - elixir: "1.17.3"
             otp: "27.1"
           - elixir: "1.17.3"