Update build.yml

Switch from Ubuntu 20.04 LTS to 24.04 LTS

Author: evgenyz

.github/workflows/build.yml

@@ -21,7 +21,7 @@ jobs:
 
     strategy:
       matrix:
-        os: [ubuntu-20.04, ubuntu-latest]
+        os: [ubuntu-24.04, ubuntu-latest]
 
     # Steps represent a sequence of tasks that will be executed as part of the job
     steps: