stop using 2 containers

.github/actions/latest-wrangler/Dockerfile

@@ -1,14 +1,10 @@
-FROM python:3.9-slim AS builder
+FROM python:3-slim AS builder
 ADD . /app
 WORKDIR /app
 
 # We are installing a dependency here directly into our app source dir
 RUN pip install --target=/app requests packaging
 
-# A distroless container image with Python and some basics like SSL certificates
-# https://github.com/GoogleContainerTools/distroless
-FROM gcr.io/distroless/python3.9-debian10
-COPY --from=builder /app /app
 WORKDIR /app
 ENV PYTHONPATH /app
 CMD ["/app/main.py"]