run ci on ubuntu 22.04

Author: lukaszsamson

.github/workflows/ci.yml

@@ -11,14 +11,15 @@ on:
 jobs:
   mix_test:
     name: mix test (Elixir ${{matrix.elixir}} | Erlang/OTP ${{matrix.otp}})
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     strategy:
       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