Update container execution command in workflow

Author: singhd789

.github/workflows/test_cloud_runner.yml

@@ -74,12 +74,11 @@ jobs:
                       --bind /contrib2-bucket/c96L65_am5f11d12r0_amip/history:/mnt/history:ro
                       --bind /contrib-efs/container-test/c96_grid/${gridspec_file}:/mnt/${gridspec_file}:ro"
 
+          ## TO-DO: figure out pulling container instead
           container_path=/contrib-efs/container-test/fre-2025.04.sif
           runscript_path=${cwd}/for_gh_runner/runscript.sh
 
-          docker pull ghcr.io/noaa-gfdl/hpc-me/ppp:2025.04
-          #singularity exec --writable-tmpfs ${bind_paths} ${container_path} ${runscript_path}
-          singularity exec --writable-tmpfs ${bind_paths} ppp:2025.04 ${runscript_path}
+          singularity exec --writable-tmpfs ${bind_paths} ${container_path} ${runscript_path}
 
           # Can potentially do this to get list of tasks
           #task_list=$(cylc list test_pp__ptest__ttest)