[3.12] pythongh-122544: Change OS image in Azure pipeline to Ubuntu 24.04 (pythonGH-125344) (python#126480)

Co-authored-by: Damien <[email protected]>

Author: miss-islington

.azure-pipelines/ci.yml

@@ -5,7 +5,7 @@ jobs:
   displayName: Pre-build checks
 
   pool:
-    vmImage: ubuntu-22.04
+    vmImage: ubuntu-24.04
 
   steps:
   - template: ./prebuild-checks.yml