ci: Include new files in diff output

Author: adamdicarlo0

.github/workflows/ci.yaml

@@ -122,7 +122,9 @@ jobs:
       - name: Diff the outputs
         run: |
           echo '```diff' > diff.md
-          diff -w -d -r main/generated branch/generated | dd bs=1024 count=30 >> diff.md || true # We ignore diff exiting with a 1 on diff
+          diff --ignore-all-space --minimal --new-file --recursive \
+            main/generated \
+            branch/generated | dd bs=1024 count=30 >> diff.md || true # We ignore diff exiting with a 1
           echo -e '\n```' >> diff.md
 
       - name: Post a comment with the diff