workflows use ubuntu-24.04 (#888)

Author: keiravillekode

.github/workflows/config-checker.yml

@@ -5,7 +5,7 @@ on: [push, pull_request]
 jobs:
   config-check:
     timeout-minutes: 30
-    runs-on: ubuntu-22.04
+    runs-on: ubuntu-24.04
 
     container:
       image: clfoundation/sbcl

.github/workflows/configlet-sync.yml

@@ -9,7 +9,7 @@ jobs:
   configlet:
     if: github.repository_owner == 'exercism' # Stops this job from running on forks
     timeout-minutes: 30
-    runs-on: ubuntu-22.04
+    runs-on: ubuntu-24.04
 
     steps:
     - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683

.github/workflows/test-exercises.yml

@@ -5,7 +5,7 @@ on: [push, pull_request]
 jobs:
   run-tests:
     timeout-minutes: 30
-    runs-on: ubuntu-22.04
+    runs-on: ubuntu-24.04
 
     container:
       image: clfoundation/sbcl