Rebuild the least docker layer

tests/ci/cancel_and_rerun_workflow_lambda/Dockerfile

@@ -1,13 +1,13 @@
 FROM public.ecr.aws/lambda/python:3.9
 
-# Copy function code
-COPY app.py ${LAMBDA_TASK_ROOT}
-
 # Install the function's dependencies using file requirements.txt
 # from your project folder.
 
 COPY requirements.txt  .
 RUN  pip3 install -r requirements.txt --target "${LAMBDA_TASK_ROOT}"
 
+# Copy function code
+COPY app.py ${LAMBDA_TASK_ROOT}
+
 # Set the CMD to your handler (could also be done as a parameter override outside of the Dockerfile)
 CMD [ "app.handler" ]