Fixed CI

Author: ankane

.github/workflows/build.yml

@@ -10,7 +10,7 @@ jobs:
           - elixir: 1.18
             otp: 27
           - elixir: 1.13
-            opt: 22
+            otp: 22
     steps:
       - uses: actions/checkout@v4
       - uses: erlef/setup-beam@v1