Update Elixir versions in build workflow

Author: cleidiano

.github/workflows/build.yml

@@ -14,7 +14,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        elixir: ["1.12.0", "1.11.0", "1.10.4", "1.9.4", "1.8.2", "1.7.4"]
+        elixir: ["1.19.0", "1.18.0", "1.17.0", "1.16.0", "1.15.0"]
         erlang: ["24.2.1"]
         ubuntu: ["jammy-20260217"]