Removed debian buster

Author: mbolla22

.github/workflows/testing.yml

@@ -10,7 +10,7 @@ jobs:
       fail-fast: false
       matrix:
         # test building and using pre-build containers.
-        build_docker: ["true"]
+        build_docker: ["true",""]
     env:
       TESTING: ${{ matrix.build_docker}}
     steps: