ci: update test runner to Ubuntu 24.04

Author: timgraham

.github/workflows/tests.yml

@@ -11,7 +11,7 @@ jobs:
   # This job aggregates all matrix results and is used for a GitHub required status check.
   test_results:
     if: ${{ always() }}
-    runs-on: ubuntu-22.04
+    runs-on: ubuntu-24.04
     name: Test Results
     needs: [test]
     steps:
@@ -24,7 +24,7 @@ jobs:
           fi
 
   test:
-    runs-on: ubuntu-22.04
+    runs-on: ubuntu-24.04
     strategy:
       fail-fast: false
       matrix: