disable tests on ubuntu on OTP 23

Author: lukaszsamson

.github/workflows/ci.yml

@@ -14,9 +14,10 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - elixir: 1.14.x
-            otp: 23.x
-            tests_may_fail: false
+          # No installer available on ubuntu-22.04
+          # - elixir: 1.14.x
+          #   otp: 23.x
+          #   tests_may_fail: false
           - elixir: 1.14.x
             otp: 24.x
             tests_may_fail: false