Remove docker image after build and push from local device

.github/workflows/build.yaml

@@ -4,6 +4,7 @@ on:
   push:
     branches:
       - main
+  pull_request:
   workflow_dispatch:
 
 env:

scripts/build_components.sh

@@ -122,6 +122,9 @@ for dir in "${components_to_build[@]}"; do
   \`docker pushrm --help\`
   "
 
+
+  # Delete old docker images to free up space
+  docker rmi -f $(docker images -aq)
   popd
 
 done