ci uses ubuntu-24.04 (#135)

* ci uses ubuntu-24.04

* Update elixir_tests.yml

---------

Co-authored-by: Tim Austin <tim@neenjaw.com>

Author: keiravillekode

.github/workflows/elixir_tests.yml

@@ -4,7 +4,7 @@ on: [push, pull_request, workflow_dispatch]
 
 jobs:
   build_and_test:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-24.04
 
     container:
       image: hexpm/elixir:1.18.1-erlang-27.2-debian-bookworm-20241223
@@ -48,7 +48,7 @@ jobs:
           ./bin/test_all_exercises.sh
 
   smoke_test_in_docker:
-    runs-on: ubuntu-22.04
+    runs-on: ubuntu-24.04
 
     steps:
       - name: Checkout repository

.github/workflows/exercism_test_helper_build_test.yml

@@ -8,7 +8,7 @@ on:
 
 jobs:
   build:
-    runs-on: ubuntu-22.04
+    runs-on: ubuntu-24.04
 
     container:
       image: hexpm/elixir:1.18.1-erlang-27.2-debian-bookworm-20241223