use ubuntu 22.04 for linux/64

Author: lfoppiano

.github/workflows/ci-build-libs.yml

@@ -12,7 +12,7 @@ jobs:
   build-libxml2:
     strategy:
       matrix:
-        os: [ ubuntu-24.04, ubuntu-24.04-arm, macos-latest, macos-13 ]
+        os: [ ubuntu-22.04, ubuntu-24.04-arm, macos-latest, macos-13 ]
 
       fail-fast: false