Update build-and-test.yml

Author: pkourouklidis

.github/workflows/build-and-test.yml

@@ -10,7 +10,7 @@ jobs:
   build:
     strategy:
       matrix:
-        os: [ubuntu-22.04, macos-14]
+        os: [macos-14]
     runs-on: ${{ matrix.os }}
     steps:
     - name: Support longpaths on Windows