Update build.yml

Remove OS matrix and use only the latest Ubuntu LTS

Author: evgenyz

.github/workflows/build.yml

@@ -16,12 +16,8 @@ jobs:
   # This workflow contains a single job called "build"
   build-ubuntu:
     # The type of runner that the job will run on
-    name: Build, Test on Ubuntus
-    runs-on: ${{ matrix.os }}
-
-    strategy:
-      matrix:
-        os: [ubuntu-24.04, ubuntu-latest]
+    name: Build, Test on Ubuntu Latest
+    runs-on: ubuntu-latest
 
     # Steps represent a sequence of tasks that will be executed as part of the job
     steps: