don't check for deleted files.

Author: sayakpaul

.github/workflows/build_docker_images.yml

@@ -41,6 +41,12 @@ jobs:
         run: |
           CHANGED_FILES="${{ steps.file_changes.outputs.all }}"
           for FILE in $CHANGED_FILES; do
+            # skip anything that isn’t still on disk
+            if [[ ! -f "$FILE" ]]; then
+              echo "Skipping removed file $FILE"
+              continue
+            fi
+            
             if [[ "$FILE" == docker/*Dockerfile ]]; then
               DOCKER_PATH="${FILE%/Dockerfile}"
               DOCKER_TAG=$(basename "$DOCKER_PATH")